21898664864

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{1721}}^1$

素因数の和:1990

約数の個数: 96

約数和(自身を含む): 45324582912

約数和(自身を除く): 23425918048

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 101, 124, 127, 202, 248, 254, 404, 496, 508, 808, 992, 1016, 1616, 1721, 2032, 3131, 3232, 3442, 3937, 4064, 6262, 6884, 7874, 12524, 12827, 13768, 15748, 25048, 25654, 27536, 31496, 50096, 51308, 53351, 55072, 62992, 100192, 102616, 106702, 125984, 173821, 205232, 213404, 218567, 347642, 397637, 410464, 426808, 437134, 695284, 795274, 853616, 874268, 1390568, 1590548, 1707232, 1748536, 2781136, 3181096, 3497072, 5388451, 5562272, 6362192, 6775577, 6994144, 10776902, 12724384, 13551154, 21553804, 22075267, 27102308, 43107608, 44150534, 54204616, 86215216, 88301068, 108409232, 172430432, 176602136, 216818464, 353204272, 684333277, 706408544, 1368666554, 2737333108, 5474666216, 10949332432, 21898664864]

約数ペア:

[(1, 21898664864), (2, 10949332432), (4, 5474666216), (8, 2737333108), (16, 1368666554), (31, 706408544), (32, 684333277), (62, 353204272), (101, 216818464), (124, 176602136), (127, 172430432), (202, 108409232), (248, 88301068), (254, 86215216), (404, 54204616), (496, 44150534), (508, 43107608), (808, 27102308), (992, 22075267), (1016, 21553804), (1616, 13551154), (1721, 12724384), (2032, 10776902), (3131, 6994144), (3232, 6775577), (3442, 6362192), (3937, 5562272), (4064, 5388451), (6262, 3497072), (6884, 3181096), (7874, 2781136), (12524, 1748536), (12827, 1707232), (13768, 1590548), (15748, 1390568), (25048, 874268), (25654, 853616), (27536, 795274), (31496, 695284), (50096, 437134), (51308, 426808), (53351, 410464), (55072, 397637), (62992, 347642), (100192, 218567), (102616, 213404), (106702, 205232), (125984, 173821)]