21695190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2267}}^1$

素因数の和:2317

約数の個数: 64

約数和(自身を含む): 58786560

約数和(自身を除く): 37091370

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1914, 2267, 3190, 4534, 4785, 6801, 9570, 11335, 13602, 22670, 24937, 34005, 49874, 65743, 68010, 74811, 124685, 131486, 149622, 197229, 249370, 328715, 374055, 394458, 657430, 723173, 748110, 986145, 1446346, 1972290, 2169519, 3615865, 4339038, 7231730, 10847595, 21695190]

約数ペア:

[(1, 21695190), (2, 10847595), (3, 7231730), (5, 4339038), (6, 3615865), (10, 2169519), (11, 1972290), (15, 1446346), (22, 986145), (29, 748110), (30, 723173), (33, 657430), (55, 394458), (58, 374055), (66, 328715), (87, 249370), (110, 197229), (145, 149622), (165, 131486), (174, 124685), (290, 74811), (319, 68010), (330, 65743), (435, 49874), (638, 34005), (870, 24937), (957, 22670), (1595, 13602), (1914, 11335), (2267, 9570), (3190, 6801), (4534, 4785)]