21134501650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{557}}^1$

素因数の和:916

約数の個数: 96

約数和(自身を含む): 41010375168

約数和(自身を除く): 19875873518

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 83, 166, 205, 223, 410, 415, 446, 557, 830, 1025, 1114, 1115, 2050, 2075, 2230, 2785, 3403, 4150, 5570, 5575, 6806, 9143, 11150, 13925, 17015, 18286, 18509, 22837, 27850, 34030, 37018, 45674, 45715, 46231, 85075, 91430, 92462, 92545, 114185, 124211, 170150, 185090, 228370, 228575, 231155, 248422, 457150, 462310, 462725, 570925, 621055, 758869, 925450, 1141850, 1155775, 1242110, 1517738, 1895471, 2311550, 3105275, 3790942, 3794345, 5092651, 6210550, 7588690, 9477355, 10185302, 10309513, 18954710, 18971725, 20619026, 25463255, 37943450, 47386775, 50926510, 51547565, 94773550, 103095130, 127316275, 254632550, 257737825, 422690033, 515475650, 845380066, 2113450165, 4226900330, 10567250825, 21134501650]

約数ペア:

[(1, 21134501650), (2, 10567250825), (5, 4226900330), (10, 2113450165), (25, 845380066), (41, 515475650), (50, 422690033), (82, 257737825), (83, 254632550), (166, 127316275), (205, 103095130), (223, 94773550), (410, 51547565), (415, 50926510), (446, 47386775), (557, 37943450), (830, 25463255), (1025, 20619026), (1114, 18971725), (1115, 18954710), (2050, 10309513), (2075, 10185302), (2230, 9477355), (2785, 7588690), (3403, 6210550), (4150, 5092651), (5570, 3794345), (5575, 3790942), (6806, 3105275), (9143, 2311550), (11150, 1895471), (13925, 1517738), (17015, 1242110), (18286, 1155775), (18509, 1141850), (22837, 925450), (27850, 758869), (34030, 621055), (37018, 570925), (45674, 462725), (45715, 462310), (46231, 457150), (85075, 248422), (91430, 231155), (92462, 228575), (92545, 228370), (114185, 185090), (124211, 170150)]