21068424

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 160

約数和(自身を含む): 66167640

約数和(自身を除く): 45099216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 41, 52, 54, 61, 72, 78, 81, 82, 104, 108, 117, 122, 123, 156, 162, 164, 183, 216, 234, 244, 246, 312, 324, 328, 351, 366, 369, 468, 488, 492, 533, 549, 648, 702, 732, 738, 793, 936, 984, 1053, 1066, 1098, 1107, 1404, 1464, 1476, 1586, 1599, 1647, 2106, 2132, 2196, 2214, 2379, 2501, 2808, 2952, 3172, 3198, 3294, 3321, 4212, 4264, 4392, 4428, 4758, 4797, 4941, 5002, 6344, 6396, 6588, 6642, 7137, 7503, 8424, 8856, 9516, 9594, 9882, 10004, 12792, 13176, 13284, 14274, 14391, 15006, 19032, 19188, 19764, 20008, 21411, 22509, 26568, 28548, 28782, 30012, 32513, 38376, 39528, 42822, 43173, 45018, 57096, 57564, 60024, 64233, 65026, 67527, 85644, 86346, 90036, 97539, 115128, 128466, 130052, 135054, 171288, 172692, 180072, 195078, 202581, 256932, 260104, 270108, 292617, 345384, 390156, 405162, 513864, 540216, 585234, 780312, 810324, 877851, 1170468, 1620648, 1755702, 2340936, 2633553, 3511404, 5267106, 7022808, 10534212, 21068424]

約数ペア:

[(1, 21068424), (2, 10534212), (3, 7022808), (4, 5267106), (6, 3511404), (8, 2633553), (9, 2340936), (12, 1755702), (13, 1620648), (18, 1170468), (24, 877851), (26, 810324), (27, 780312), (36, 585234), (39, 540216), (41, 513864), (52, 405162), (54, 390156), (61, 345384), (72, 292617), (78, 270108), (81, 260104), (82, 256932), (104, 202581), (108, 195078), (117, 180072), (122, 172692), (123, 171288), (156, 135054), (162, 130052), (164, 128466), (183, 115128), (216, 97539), (234, 90036), (244, 86346), (246, 85644), (312, 67527), (324, 65026), (328, 64233), (351, 60024), (366, 57564), (369, 57096), (468, 45018), (488, 43173), (492, 42822), (533, 39528), (549, 38376), (648, 32513), (702, 30012), (732, 28782), (738, 28548), (793, 26568), (936, 22509), (984, 21411), (1053, 20008), (1066, 19764), (1098, 19188), (1107, 19032), (1404, 15006), (1464, 14391), (1476, 14274), (1586, 13284), (1599, 13176), (1647, 12792), (2106, 10004), (2132, 9882), (2196, 9594), (2214, 9516), (2379, 8856), (2501, 8424), (2808, 7503), (2952, 7137), (3172, 6642), (3198, 6588), (3294, 6396), (3321, 6344), (4212, 5002), (4264, 4941), (4392, 4797), (4428, 4758)]