21207704

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22277}}^1$

素因数の和:22307

約数の個数: 32

約数和(自身を含む): 48120480

約数和(自身を除く): 26912776

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 22277, 44554, 89108, 155939, 178216, 311878, 378709, 623756, 757418, 1247512, 1514836, 2650963, 3029672, 5301926, 10603852, 21207704]

約数ペア:

[(1, 21207704), (2, 10603852), (4, 5301926), (7, 3029672), (8, 2650963), (14, 1514836), (17, 1247512), (28, 757418), (34, 623756), (56, 378709), (68, 311878), (119, 178216), (136, 155939), (238, 89108), (476, 44554), (952, 22277)]