21976312

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{887}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 43689600

約数和(自身を除く): 21713288

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 163, 326, 652, 887, 1304, 1774, 3097, 3548, 6194, 7096, 12388, 16853, 24776, 33706, 67412, 134824, 144581, 289162, 578324, 1156648, 2747039, 5494078, 10988156, 21976312]

約数ペア:

[(1, 21976312), (2, 10988156), (4, 5494078), (8, 2747039), (19, 1156648), (38, 578324), (76, 289162), (152, 144581), (163, 134824), (326, 67412), (652, 33706), (887, 24776), (1304, 16853), (1774, 12388), (3097, 7096), (3548, 6194)]