21815754

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2213}}^1$

素因数の和:2302

約数の個数: 32

約数和(自身を含む): 45909504

約数和(自身を除く): 24093750

約数列:

[1, 2, 3, 6, 31, 53, 62, 93, 106, 159, 186, 318, 1643, 2213, 3286, 4426, 4929, 6639, 9858, 13278, 68603, 117289, 137206, 205809, 234578, 351867, 411618, 703734, 3635959, 7271918, 10907877, 21815754]

約数ペア:

[(1, 21815754), (2, 10907877), (3, 7271918), (6, 3635959), (31, 703734), (53, 411618), (62, 351867), (93, 234578), (106, 205809), (159, 137206), (186, 117289), (318, 68603), (1643, 13278), (2213, 9858), (3286, 6639), (4426, 4929)]