21479244

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 51861600

約数和(自身を除く): 30382356

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 149, 164, 246, 293, 298, 447, 492, 586, 596, 879, 894, 1172, 1758, 1788, 3516, 6109, 12013, 12218, 18327, 24026, 24436, 36039, 36654, 43657, 48052, 72078, 73308, 87314, 130971, 144156, 174628, 261942, 523884, 1789937, 3579874, 5369811, 7159748, 10739622, 21479244]

約数ペア:

[(1, 21479244), (2, 10739622), (3, 7159748), (4, 5369811), (6, 3579874), (12, 1789937), (41, 523884), (82, 261942), (123, 174628), (149, 144156), (164, 130971), (246, 87314), (293, 73308), (298, 72078), (447, 48052), (492, 43657), (586, 36654), (596, 36039), (879, 24436), (894, 24026), (1172, 18327), (1758, 12218), (1788, 12013), (3516, 6109)]