21878808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4201}}^1$

素因数の和:4248

約数の個数: 64

約数和(自身を含む): 64542720

約数和(自身を除く): 42663912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 4201, 5208, 8402, 12603, 16804, 25206, 29407, 33608, 50412, 58814, 88221, 100824, 117628, 130231, 176442, 235256, 260462, 352884, 390693, 520924, 705768, 781386, 911617, 1041848, 1562772, 1823234, 2734851, 3125544, 3646468, 5469702, 7292936, 10939404, 21878808]

約数ペア:

[(1, 21878808), (2, 10939404), (3, 7292936), (4, 5469702), (6, 3646468), (7, 3125544), (8, 2734851), (12, 1823234), (14, 1562772), (21, 1041848), (24, 911617), (28, 781386), (31, 705768), (42, 520924), (56, 390693), (62, 352884), (84, 260462), (93, 235256), (124, 176442), (168, 130231), (186, 117628), (217, 100824), (248, 88221), (372, 58814), (434, 50412), (651, 33608), (744, 29407), (868, 25206), (1302, 16804), (1736, 12603), (2604, 8402), (4201, 5208)]