21403616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2237}}^1$

素因数の和:2283

約数の個数: 48

約数和(自身を含む): 47373984

約数和(自身を除く): 25970368

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 92, 104, 184, 208, 299, 368, 416, 598, 736, 1196, 2237, 2392, 4474, 4784, 8948, 9568, 17896, 29081, 35792, 51451, 58162, 71584, 102902, 116324, 205804, 232648, 411608, 465296, 668863, 823216, 930592, 1337726, 1646432, 2675452, 5350904, 10701808, 21403616]

約数ペア:

[(1, 21403616), (2, 10701808), (4, 5350904), (8, 2675452), (13, 1646432), (16, 1337726), (23, 930592), (26, 823216), (32, 668863), (46, 465296), (52, 411608), (92, 232648), (104, 205804), (184, 116324), (208, 102902), (299, 71584), (368, 58162), (416, 51451), (598, 35792), (736, 29081), (1196, 17896), (2237, 9568), (2392, 8948), (4474, 4784)]