21495498

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1201}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 45579840

約数和(自身を除く): 24084342

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 157, 314, 471, 942, 1201, 2402, 2983, 3603, 5966, 7206, 8949, 17898, 22819, 45638, 68457, 136914, 188557, 377114, 565671, 1131342, 3582583, 7165166, 10747749, 21495498]

約数ペア:

[(1, 21495498), (2, 10747749), (3, 7165166), (6, 3582583), (19, 1131342), (38, 565671), (57, 377114), (114, 188557), (157, 136914), (314, 68457), (471, 45638), (942, 22819), (1201, 17898), (2402, 8949), (2983, 7206), (3603, 5966)]