21285498

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4073}}^1$

素因数の和:4158

約数の個数: 32

約数和(自身を含む): 46541376

約数和(自身を除く): 25255878

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 4073, 5226, 8146, 12219, 24438, 52949, 105898, 158847, 272891, 317694, 545782, 818673, 1637346, 3547583, 7095166, 10642749, 21285498]

約数ペア:

[(1, 21285498), (2, 10642749), (3, 7095166), (6, 3547583), (13, 1637346), (26, 818673), (39, 545782), (67, 317694), (78, 272891), (134, 158847), (201, 105898), (402, 52949), (871, 24438), (1742, 12219), (2613, 8146), (4073, 5226)]