21107561160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{138829}}^1$

素因数の和:139031

約数の個数: 128

約数和(自身を含む): 72769132800

約数和(自身を除く): 51661571640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 181, 210, 280, 362, 420, 543, 724, 840, 905, 1086, 1267, 1448, 1810, 2172, 2534, 2715, 3620, 3801, 4344, 5068, 5430, 6335, 7240, 7602, 10136, 10860, 12670, 15204, 19005, 21720, 25340, 30408, 38010, 50680, 76020, 138829, 152040, 277658, 416487, 555316, 694145, 832974, 971803, 1110632, 1388290, 1665948, 1943606, 2082435, 2776580, 2915409, 3331896, 3887212, 4164870, 4859015, 5553160, 5830818, 7774424, 8329740, 9718030, 11661636, 14577045, 16659480, 19436060, 23323272, 25128049, 29154090, 38872120, 50256098, 58308180, 75384147, 100512196, 116616360, 125640245, 150768294, 175896343, 201024392, 251280490, 301536588, 351792686, 376920735, 502560980, 527689029, 603073176, 703585372, 753841470, 879481715, 1005121960, 1055378058, 1407170744, 1507682940, 1758963430, 2110756116, 2638445145, 3015365880, 3517926860, 4221512232, 5276890290, 7035853720, 10553780580, 21107561160]

約数ペア:

[(1, 21107561160), (2, 10553780580), (3, 7035853720), (4, 5276890290), (5, 4221512232), (6, 3517926860), (7, 3015365880), (8, 2638445145), (10, 2110756116), (12, 1758963430), (14, 1507682940), (15, 1407170744), (20, 1055378058), (21, 1005121960), (24, 879481715), (28, 753841470), (30, 703585372), (35, 603073176), (40, 527689029), (42, 502560980), (56, 376920735), (60, 351792686), (70, 301536588), (84, 251280490), (105, 201024392), (120, 175896343), (140, 150768294), (168, 125640245), (181, 116616360), (210, 100512196), (280, 75384147), (362, 58308180), (420, 50256098), (543, 38872120), (724, 29154090), (840, 25128049), (905, 23323272), (1086, 19436060), (1267, 16659480), (1448, 14577045), (1810, 11661636), (2172, 9718030), (2534, 8329740), (2715, 7774424), (3620, 5830818), (3801, 5553160), (4344, 4859015), (5068, 4164870), (5430, 3887212), (6335, 3331896), (7240, 2915409), (7602, 2776580), (10136, 2082435), (10860, 1943606), (12670, 1665948), (15204, 1388290), (19005, 1110632), (21720, 971803), (25340, 832974), (30408, 694145), (38010, 555316), (50680, 416487), (76020, 277658), (138829, 152040)]