21754103660

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{1063}}^1$

素因数の和:1383

約数の個数: 96

約数和(自身を含む): 47143337472

約数和(自身を除く): 25389233812

約数列:

[1, 2, 4, 5, 10, 20, 73, 107, 131, 146, 214, 262, 292, 365, 428, 524, 535, 655, 730, 1063, 1070, 1310, 1460, 2126, 2140, 2620, 4252, 5315, 7811, 9563, 10630, 14017, 15622, 19126, 21260, 28034, 31244, 38252, 39055, 47815, 56068, 70085, 77599, 78110, 95630, 113741, 139253, 140170, 155198, 156220, 191260, 227482, 278506, 280340, 310396, 387995, 454964, 557012, 568705, 696265, 775990, 1023241, 1137410, 1392530, 1551980, 2046482, 2274820, 2785060, 4092964, 5116205, 8303093, 10165469, 10232410, 14900071, 16606186, 20330938, 20464820, 29800142, 33212372, 40661876, 41515465, 50827345, 59600284, 74500355, 83030930, 101654690, 149000710, 166061860, 203309380, 298001420, 1087705183, 2175410366, 4350820732, 5438525915, 10877051830, 21754103660]

約数ペア:

[(1, 21754103660), (2, 10877051830), (4, 5438525915), (5, 4350820732), (10, 2175410366), (20, 1087705183), (73, 298001420), (107, 203309380), (131, 166061860), (146, 149000710), (214, 101654690), (262, 83030930), (292, 74500355), (365, 59600284), (428, 50827345), (524, 41515465), (535, 40661876), (655, 33212372), (730, 29800142), (1063, 20464820), (1070, 20330938), (1310, 16606186), (1460, 14900071), (2126, 10232410), (2140, 10165469), (2620, 8303093), (4252, 5116205), (5315, 4092964), (7811, 2785060), (9563, 2274820), (10630, 2046482), (14017, 1551980), (15622, 1392530), (19126, 1137410), (21260, 1023241), (28034, 775990), (31244, 696265), (38252, 568705), (39055, 557012), (47815, 454964), (56068, 387995), (70085, 310396), (77599, 280340), (78110, 278506), (95630, 227482), (113741, 191260), (139253, 156220), (140170, 155198)]