21663048

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2647}}^1$

素因数の和:2698

約数の個数: 64

約数和(自身を含む): 61009920

約数和(自身を除く): 39346872

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 62, 66, 88, 93, 124, 132, 186, 248, 264, 341, 372, 682, 744, 1023, 1364, 2046, 2647, 2728, 4092, 5294, 7941, 8184, 10588, 15882, 21176, 29117, 31764, 58234, 63528, 82057, 87351, 116468, 164114, 174702, 232936, 246171, 328228, 349404, 492342, 656456, 698808, 902627, 984684, 1805254, 1969368, 2707881, 3610508, 5415762, 7221016, 10831524, 21663048]

約数ペア:

[(1, 21663048), (2, 10831524), (3, 7221016), (4, 5415762), (6, 3610508), (8, 2707881), (11, 1969368), (12, 1805254), (22, 984684), (24, 902627), (31, 698808), (33, 656456), (44, 492342), (62, 349404), (66, 328228), (88, 246171), (93, 232936), (124, 174702), (132, 164114), (186, 116468), (248, 87351), (264, 82057), (341, 63528), (372, 58234), (682, 31764), (744, 29117), (1023, 21176), (1364, 15882), (2046, 10588), (2647, 8184), (2728, 7941), (4092, 5294)]