21222016

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{4481}}^1$

素因数の和:4532

約数の個数: 32

約数和(自身を含む): 43430580

約数和(自身を除く): 22208564

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 296, 592, 1184, 2368, 4481, 4736, 8962, 17924, 35848, 71696, 143392, 165797, 286784, 331594, 573568, 663188, 1326376, 2652752, 5305504, 10611008, 21222016]

約数ペア:

[(1, 21222016), (2, 10611008), (4, 5305504), (8, 2652752), (16, 1326376), (32, 663188), (37, 573568), (64, 331594), (74, 286784), (128, 165797), (148, 143392), (296, 71696), (592, 35848), (1184, 17924), (2368, 8962), (4481, 4736)]