21954616

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4363}}^1$

素因数の和:4423

約数の個数: 32

約数和(自身を含む): 44774640

約数和(自身を除く): 22820024

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 4363, 5032, 8726, 17452, 34904, 74171, 148342, 161431, 296684, 322862, 593368, 645724, 1291448, 2744327, 5488654, 10977308, 21954616]

約数ペア:

[(1, 21954616), (2, 10977308), (4, 5488654), (8, 2744327), (17, 1291448), (34, 645724), (37, 593368), (68, 322862), (74, 296684), (136, 161431), (148, 148342), (296, 74171), (629, 34904), (1258, 17452), (2516, 8726), (4363, 5032)]