21000742014

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{227}}^1\times {\mathrm{1609}}^1$

素因数の和:1922

約数の個数: 96

約数和(自身を含む): 49582229760

約数和(自身を除く): 28581487746

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 227, 259, 454, 518, 681, 777, 1362, 1369, 1554, 1589, 1609, 2738, 3178, 3218, 4107, 4767, 4827, 8214, 8399, 9534, 9583, 9654, 11263, 16798, 19166, 22526, 25197, 28749, 33789, 50394, 57498, 58793, 59533, 67578, 117586, 119066, 176379, 178599, 310763, 352758, 357198, 365243, 416731, 621526, 730486, 833462, 932289, 1095729, 1250193, 1864578, 2175341, 2191458, 2202721, 2500386, 2556701, 4350682, 4405442, 5113402, 6526023, 6608163, 7670103, 13052046, 13216326, 13513991, 15340206, 15419047, 27027982, 30838094, 40541973, 46257141, 81083946, 92514282, 94597937, 189195874, 283793811, 500017667, 567587622, 1000035334, 1500053001, 3000106002, 3500123669, 7000247338, 10500371007, 21000742014]

約数ペア:

[(1, 21000742014), (2, 10500371007), (3, 7000247338), (6, 3500123669), (7, 3000106002), (14, 1500053001), (21, 1000035334), (37, 567587622), (42, 500017667), (74, 283793811), (111, 189195874), (222, 94597937), (227, 92514282), (259, 81083946), (454, 46257141), (518, 40541973), (681, 30838094), (777, 27027982), (1362, 15419047), (1369, 15340206), (1554, 13513991), (1589, 13216326), (1609, 13052046), (2738, 7670103), (3178, 6608163), (3218, 6526023), (4107, 5113402), (4767, 4405442), (4827, 4350682), (8214, 2556701), (8399, 2500386), (9534, 2202721), (9583, 2191458), (9654, 2175341), (11263, 1864578), (16798, 1250193), (19166, 1095729), (22526, 932289), (25197, 833462), (28749, 730486), (33789, 621526), (50394, 416731), (57498, 365243), (58793, 357198), (59533, 352758), (67578, 310763), (117586, 178599), (119066, 176379)]