21442080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 192

約数和(自身を含む): 76640256

約数和(自身を除く): 55198176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 96, 110, 120, 124, 131, 132, 155, 160, 165, 176, 186, 220, 240, 248, 262, 264, 310, 330, 341, 352, 372, 393, 440, 465, 480, 496, 524, 528, 620, 655, 660, 682, 744, 786, 880, 930, 992, 1023, 1048, 1056, 1240, 1310, 1320, 1364, 1441, 1488, 1572, 1705, 1760, 1860, 1965, 2046, 2096, 2480, 2620, 2640, 2728, 2882, 2976, 3144, 3410, 3720, 3930, 4061, 4092, 4192, 4323, 4960, 5115, 5240, 5280, 5456, 5764, 6288, 6820, 7205, 7440, 7860, 8122, 8184, 8646, 10230, 10480, 10912, 11528, 12183, 12576, 13640, 14410, 14880, 15720, 16244, 16368, 17292, 20305, 20460, 20960, 21615, 23056, 24366, 27280, 28820, 31440, 32488, 32736, 34584, 40610, 40920, 43230, 44671, 46112, 48732, 54560, 57640, 60915, 62880, 64976, 69168, 81220, 81840, 86460, 89342, 97464, 115280, 121830, 129952, 134013, 138336, 162440, 163680, 172920, 178684, 194928, 223355, 230560, 243660, 268026, 324880, 345840, 357368, 389856, 446710, 487320, 536052, 649760, 670065, 691680, 714736, 893420, 974640, 1072104, 1340130, 1429472, 1786840, 1949280, 2144208, 2680260, 3573680, 4288416, 5360520, 7147360, 10721040, 21442080]

約数ペア:

[(1, 21442080), (2, 10721040), (3, 7147360), (4, 5360520), (5, 4288416), (6, 3573680), (8, 2680260), (10, 2144208), (11, 1949280), (12, 1786840), (15, 1429472), (16, 1340130), (20, 1072104), (22, 974640), (24, 893420), (30, 714736), (31, 691680), (32, 670065), (33, 649760), (40, 536052), (44, 487320), (48, 446710), (55, 389856), (60, 357368), (62, 345840), (66, 324880), (80, 268026), (88, 243660), (93, 230560), (96, 223355), (110, 194928), (120, 178684), (124, 172920), (131, 163680), (132, 162440), (155, 138336), (160, 134013), (165, 129952), (176, 121830), (186, 115280), (220, 97464), (240, 89342), (248, 86460), (262, 81840), (264, 81220), (310, 69168), (330, 64976), (341, 62880), (352, 60915), (372, 57640), (393, 54560), (440, 48732), (465, 46112), (480, 44671), (496, 43230), (524, 40920), (528, 40610), (620, 34584), (655, 32736), (660, 32488), (682, 31440), (744, 28820), (786, 27280), (880, 24366), (930, 23056), (992, 21615), (1023, 20960), (1048, 20460), (1056, 20305), (1240, 17292), (1310, 16368), (1320, 16244), (1364, 15720), (1441, 14880), (1488, 14410), (1572, 13640), (1705, 12576), (1760, 12183), (1860, 11528), (1965, 10912), (2046, 10480), (2096, 10230), (2480, 8646), (2620, 8184), (2640, 8122), (2728, 7860), (2882, 7440), (2976, 7205), (3144, 6820), (3410, 6288), (3720, 5764), (3930, 5456), (4061, 5280), (4092, 5240), (4192, 5115), (4323, 4960)]