21214824

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 55323840

約数和(自身を除く): 34109016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 61, 86, 122, 129, 172, 183, 244, 258, 337, 344, 366, 488, 516, 674, 732, 1011, 1032, 1348, 1464, 2022, 2623, 2696, 4044, 5246, 7869, 8088, 10492, 14491, 15738, 20557, 20984, 28982, 31476, 41114, 43473, 57964, 61671, 62952, 82228, 86946, 115928, 123342, 164456, 173892, 246684, 347784, 493368, 883951, 1767902, 2651853, 3535804, 5303706, 7071608, 10607412, 21214824]

約数ペア:

[(1, 21214824), (2, 10607412), (3, 7071608), (4, 5303706), (6, 3535804), (8, 2651853), (12, 1767902), (24, 883951), (43, 493368), (61, 347784), (86, 246684), (122, 173892), (129, 164456), (172, 123342), (183, 115928), (244, 86946), (258, 82228), (337, 62952), (344, 61671), (366, 57964), (488, 43473), (516, 41114), (674, 31476), (732, 28982), (1011, 20984), (1032, 20557), (1348, 15738), (1464, 14491), (2022, 10492), (2623, 8088), (2696, 7869), (4044, 5246)]