21367308

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 52254720

約数和(自身を除く): 30887412

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 71, 93, 124, 142, 186, 213, 284, 372, 426, 809, 852, 1618, 2201, 2427, 3236, 4402, 4854, 6603, 8804, 9708, 13206, 25079, 26412, 50158, 57439, 75237, 100316, 114878, 150474, 172317, 229756, 300948, 344634, 689268, 1780609, 3561218, 5341827, 7122436, 10683654, 21367308]

約数ペア:

[(1, 21367308), (2, 10683654), (3, 7122436), (4, 5341827), (6, 3561218), (12, 1780609), (31, 689268), (62, 344634), (71, 300948), (93, 229756), (124, 172317), (142, 150474), (186, 114878), (213, 100316), (284, 75237), (372, 57439), (426, 50158), (809, 26412), (852, 25079), (1618, 13206), (2201, 9708), (2427, 8804), (3236, 6603), (4402, 4854)]