21003294

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4019}}^1$

素因数の和:4104

約数の個数: 32

約数和(自身を含む): 45924480

約数和(自身を除く): 24921186

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 4019, 5226, 8038, 12057, 24114, 52247, 104494, 156741, 269273, 313482, 538546, 807819, 1615638, 3500549, 7001098, 10501647, 21003294]

約数ペア:

[(1, 21003294), (2, 10501647), (3, 7001098), (6, 3500549), (13, 1615638), (26, 807819), (39, 538546), (67, 313482), (78, 269273), (134, 156741), (201, 104494), (402, 52247), (871, 24114), (1742, 12057), (2613, 8038), (4019, 5226)]