21299004

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{61}}^2$

素因数の和:188

約数の個数: 72

約数和(自身を含む): 57198960

約数和(自身を除く): 35899956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 61, 106, 108, 122, 159, 183, 212, 244, 318, 366, 477, 549, 636, 732, 954, 1098, 1431, 1647, 1908, 2196, 2862, 3233, 3294, 3721, 5724, 6466, 6588, 7442, 9699, 11163, 12932, 14884, 19398, 22326, 29097, 33489, 38796, 44652, 58194, 66978, 87291, 100467, 116388, 133956, 174582, 197213, 200934, 349164, 394426, 401868, 591639, 788852, 1183278, 1774917, 2366556, 3549834, 5324751, 7099668, 10649502, 21299004]

約数ペア:

[(1, 21299004), (2, 10649502), (3, 7099668), (4, 5324751), (6, 3549834), (9, 2366556), (12, 1774917), (18, 1183278), (27, 788852), (36, 591639), (53, 401868), (54, 394426), (61, 349164), (106, 200934), (108, 197213), (122, 174582), (159, 133956), (183, 116388), (212, 100467), (244, 87291), (318, 66978), (366, 58194), (477, 44652), (549, 38796), (636, 33489), (732, 29097), (954, 22326), (1098, 19398), (1431, 14884), (1647, 12932), (1908, 11163), (2196, 9699), (2862, 7442), (3233, 6588), (3294, 6466), (3721, 5724)]