21497750520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1\times {\mathrm{3803}}^1$

素因数の和:4014

約数の個数: 192

約数和(自身を含む): 68948565120

約数和(自身を除く): 47450814600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 163, 170, 204, 255, 289, 326, 340, 408, 489, 510, 578, 652, 680, 815, 867, 978, 1020, 1156, 1304, 1445, 1630, 1734, 1956, 2040, 2312, 2445, 2771, 2890, 3260, 3468, 3803, 3912, 4335, 4890, 5542, 5780, 6520, 6936, 7606, 8313, 8670, 9780, 11084, 11409, 11560, 13855, 15212, 16626, 17340, 19015, 19560, 22168, 22818, 27710, 30424, 33252, 34680, 38030, 41565, 45636, 47107, 55420, 57045, 64651, 66504, 76060, 83130, 91272, 94214, 110840, 114090, 129302, 141321, 152120, 166260, 188428, 193953, 228180, 235535, 258604, 282642, 323255, 332520, 376856, 387906, 456360, 471070, 517208, 565284, 619889, 646510, 706605, 775812, 942140, 969765, 1099067, 1130568, 1239778, 1293020, 1413210, 1551624, 1859667, 1884280, 1939530, 2198134, 2479556, 2586040, 2826420, 3099445, 3297201, 3719334, 3879060, 4396268, 4959112, 5495335, 5652840, 6198890, 6594402, 7438668, 7758120, 8792536, 9298335, 10538113, 10990670, 12397780, 13188804, 14877336, 16486005, 18596670, 21076226, 21981340, 24795560, 26377608, 31614339, 32972010, 37193340, 42152452, 43962680, 52690565, 63228678, 65944020, 74386680, 84304904, 105381130, 126457356, 131888040, 158071695, 179147921, 210762260, 252914712, 316143390, 358295842, 421524520, 537443763, 632286780, 716591684, 895739605, 1074887526, 1264573560, 1433183368, 1791479210, 2149775052, 2687218815, 3582958420, 4299550104, 5374437630, 7165916840, 10748875260, 21497750520]

約数ペア:

[(1, 21497750520), (2, 10748875260), (3, 7165916840), (4, 5374437630), (5, 4299550104), (6, 3582958420), (8, 2687218815), (10, 2149775052), (12, 1791479210), (15, 1433183368), (17, 1264573560), (20, 1074887526), (24, 895739605), (30, 716591684), (34, 632286780), (40, 537443763), (51, 421524520), (60, 358295842), (68, 316143390), (85, 252914712), (102, 210762260), (120, 179147921), (136, 158071695), (163, 131888040), (170, 126457356), (204, 105381130), (255, 84304904), (289, 74386680), (326, 65944020), (340, 63228678), (408, 52690565), (489, 43962680), (510, 42152452), (578, 37193340), (652, 32972010), (680, 31614339), (815, 26377608), (867, 24795560), (978, 21981340), (1020, 21076226), (1156, 18596670), (1304, 16486005), (1445, 14877336), (1630, 13188804), (1734, 12397780), (1956, 10990670), (2040, 10538113), (2312, 9298335), (2445, 8792536), (2771, 7758120), (2890, 7438668), (3260, 6594402), (3468, 6198890), (3803, 5652840), (3912, 5495335), (4335, 4959112), (4890, 4396268), (5542, 3879060), (5780, 3719334), (6520, 3297201), (6936, 3099445), (7606, 2826420), (8313, 2586040), (8670, 2479556), (9780, 2198134), (11084, 1939530), (11409, 1884280), (11560, 1859667), (13855, 1551624), (15212, 1413210), (16626, 1293020), (17340, 1239778), (19015, 1130568), (19560, 1099067), (22168, 969765), (22818, 942140), (27710, 775812), (30424, 706605), (33252, 646510), (34680, 619889), (38030, 565284), (41565, 517208), (45636, 471070), (47107, 456360), (55420, 387906), (57045, 376856), (64651, 332520), (66504, 323255), (76060, 282642), (83130, 258604), (91272, 235535), (94214, 228180), (110840, 193953), (114090, 188428), (129302, 166260), (141321, 152120)]