21777888848

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{1039}}^1\times {\mathrm{3203}}^1$

素因数の和:4659

約数の個数: 40

約数和(自身を含む): 42351753600

約数和(自身を除く): 20573864752

約数列:

[1, 2, 4, 8, 16, 409, 818, 1039, 1636, 2078, 3203, 3272, 4156, 6406, 6544, 8312, 12812, 16624, 25624, 51248, 424951, 849902, 1310027, 1699804, 2620054, 3327917, 3399608, 5240108, 6655834, 6799216, 10480216, 13311668, 20960432, 26623336, 53246672, 1361118053, 2722236106, 5444472212, 10888944424, 21777888848]

約数ペア:

[(1, 21777888848), (2, 10888944424), (4, 5444472212), (8, 2722236106), (16, 1361118053), (409, 53246672), (818, 26623336), (1039, 20960432), (1636, 13311668), (2078, 10480216), (3203, 6799216), (3272, 6655834), (4156, 5240108), (6406, 3399608), (6544, 3327917), (8312, 2620054), (12812, 1699804), (16624, 1310027), (25624, 849902), (51248, 424951)]