21514928

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{953}}^1$

素因数の和:1061

約数の個数: 40

約数和(自身を含む): 44715888

約数和(自身を除く): 23200960

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 83, 136, 166, 272, 332, 664, 953, 1328, 1411, 1906, 2822, 3812, 5644, 7624, 11288, 15248, 16201, 22576, 32402, 64804, 79099, 129608, 158198, 259216, 316396, 632792, 1265584, 1344683, 2689366, 5378732, 10757464, 21514928]

約数ペア:

[(1, 21514928), (2, 10757464), (4, 5378732), (8, 2689366), (16, 1344683), (17, 1265584), (34, 632792), (68, 316396), (83, 259216), (136, 158198), (166, 129608), (272, 79099), (332, 64804), (664, 32402), (953, 22576), (1328, 16201), (1411, 15248), (1906, 11288), (2822, 7624), (3812, 5644)]