21486312

素因数分解:

$2^3\times 3^2\times {\mathrm{457}}^1\times {\mathrm{653}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 58408740

約数和(自身を除く): 36922428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 457, 653, 914, 1306, 1371, 1828, 1959, 2612, 2742, 3656, 3918, 4113, 5224, 5484, 5877, 7836, 8226, 10968, 11754, 15672, 16452, 23508, 32904, 47016, 298421, 596842, 895263, 1193684, 1790526, 2387368, 2685789, 3581052, 5371578, 7162104, 10743156, 21486312]

約数ペア:

[(1, 21486312), (2, 10743156), (3, 7162104), (4, 5371578), (6, 3581052), (8, 2685789), (9, 2387368), (12, 1790526), (18, 1193684), (24, 895263), (36, 596842), (72, 298421), (457, 47016), (653, 32904), (914, 23508), (1306, 16452), (1371, 15672), (1828, 11754), (1959, 10968), (2612, 8226), (2742, 7836), (3656, 5877), (3918, 5484), (4113, 5224)]