21836174960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{226141}}^1$

素因数の和:226242

約数の個数: 80

約数和(自身を含む): 54512885952

約数和(自身を除く): 32676710992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 71, 80, 85, 136, 142, 170, 272, 284, 340, 355, 568, 680, 710, 1136, 1207, 1360, 1420, 2414, 2840, 4828, 5680, 6035, 9656, 12070, 19312, 24140, 48280, 96560, 226141, 452282, 904564, 1130705, 1809128, 2261410, 3618256, 3844397, 4522820, 7688794, 9045640, 15377588, 16056011, 18091280, 19221985, 30755176, 32112022, 38443970, 61510352, 64224044, 76887940, 80280055, 128448088, 153775880, 160560110, 256896176, 272952187, 307551760, 321120220, 545904374, 642240440, 1091808748, 1284480880, 1364760935, 2183617496, 2729521870, 4367234992, 5459043740, 10918087480, 21836174960]

約数ペア:

[(1, 21836174960), (2, 10918087480), (4, 5459043740), (5, 4367234992), (8, 2729521870), (10, 2183617496), (16, 1364760935), (17, 1284480880), (20, 1091808748), (34, 642240440), (40, 545904374), (68, 321120220), (71, 307551760), (80, 272952187), (85, 256896176), (136, 160560110), (142, 153775880), (170, 128448088), (272, 80280055), (284, 76887940), (340, 64224044), (355, 61510352), (568, 38443970), (680, 32112022), (710, 30755176), (1136, 19221985), (1207, 18091280), (1360, 16056011), (1420, 15377588), (2414, 9045640), (2840, 7688794), (4828, 4522820), (5680, 3844397), (6035, 3618256), (9656, 2261410), (12070, 1809128), (19312, 1130705), (24140, 904564), (48280, 452282), (96560, 226141)]