210919212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{13721}}^1$

素因数の和:13799

約数の個数: 72

約数和(自身を含む): 619356192

約数和(自身を除く): 408436980

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1708, 2196, 2562, 3843, 5124, 7686, 13721, 15372, 27442, 41163, 54884, 82326, 96047, 123489, 164652, 192094, 246978, 288141, 384188, 493956, 576282, 836981, 864423, 1152564, 1673962, 1728846, 2510943, 3347924, 3457692, 5021886, 5858867, 7532829, 10043772, 11717734, 15065658, 17576601, 23435468, 30131316, 35153202, 52729803, 70306404, 105459606, 210919212]

約数ペア:

[(1, 210919212), (2, 105459606), (3, 70306404), (4, 52729803), (6, 35153202), (7, 30131316), (9, 23435468), (12, 17576601), (14, 15065658), (18, 11717734), (21, 10043772), (28, 7532829), (36, 5858867), (42, 5021886), (61, 3457692), (63, 3347924), (84, 2510943), (122, 1728846), (126, 1673962), (183, 1152564), (244, 864423), (252, 836981), (366, 576282), (427, 493956), (549, 384188), (732, 288141), (854, 246978), (1098, 192094), (1281, 164652), (1708, 123489), (2196, 96047), (2562, 82326), (3843, 54884), (5124, 41163), (7686, 27442), (13721, 15372)]