21754292

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 45749760

約数和(自身を除く): 23995468

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 73, 116, 146, 203, 292, 367, 406, 511, 734, 812, 1022, 1468, 2044, 2117, 2569, 4234, 5138, 8468, 10276, 10643, 14819, 21286, 26791, 29638, 42572, 53582, 59276, 74501, 107164, 149002, 187537, 298004, 375074, 750148, 776939, 1553878, 3107756, 5438573, 10877146, 21754292]

約数ペア:

[(1, 21754292), (2, 10877146), (4, 5438573), (7, 3107756), (14, 1553878), (28, 776939), (29, 750148), (58, 375074), (73, 298004), (116, 187537), (146, 149002), (203, 107164), (292, 74501), (367, 59276), (406, 53582), (511, 42572), (734, 29638), (812, 26791), (1022, 21286), (1468, 14819), (2044, 10643), (2117, 10276), (2569, 8468), (4234, 5138)]