21459312

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:431

約数の個数: 120

約数和(自身を含む): 69960800

約数和(自身を除く): 48501488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 61, 63, 72, 84, 112, 122, 126, 144, 168, 183, 244, 252, 336, 349, 366, 427, 488, 504, 549, 698, 732, 854, 976, 1008, 1047, 1098, 1281, 1396, 1464, 1708, 2094, 2196, 2443, 2562, 2792, 2928, 3141, 3416, 3843, 4188, 4392, 4886, 5124, 5584, 6282, 6832, 7329, 7686, 8376, 8784, 9772, 10248, 12564, 14658, 15372, 16752, 19544, 20496, 21289, 21987, 25128, 29316, 30744, 39088, 42578, 43974, 50256, 58632, 61488, 63867, 85156, 87948, 117264, 127734, 149023, 170312, 175896, 191601, 255468, 298046, 340624, 351792, 383202, 447069, 510936, 596092, 766404, 894138, 1021872, 1192184, 1341207, 1532808, 1788276, 2384368, 2682414, 3065616, 3576552, 5364828, 7153104, 10729656, 21459312]

約数ペア:

[(1, 21459312), (2, 10729656), (3, 7153104), (4, 5364828), (6, 3576552), (7, 3065616), (8, 2682414), (9, 2384368), (12, 1788276), (14, 1532808), (16, 1341207), (18, 1192184), (21, 1021872), (24, 894138), (28, 766404), (36, 596092), (42, 510936), (48, 447069), (56, 383202), (61, 351792), (63, 340624), (72, 298046), (84, 255468), (112, 191601), (122, 175896), (126, 170312), (144, 149023), (168, 127734), (183, 117264), (244, 87948), (252, 85156), (336, 63867), (349, 61488), (366, 58632), (427, 50256), (488, 43974), (504, 42578), (549, 39088), (698, 30744), (732, 29316), (854, 25128), (976, 21987), (1008, 21289), (1047, 20496), (1098, 19544), (1281, 16752), (1396, 15372), (1464, 14658), (1708, 12564), (2094, 10248), (2196, 9772), (2443, 8784), (2562, 8376), (2792, 7686), (2928, 7329), (3141, 6832), (3416, 6282), (3843, 5584), (4188, 5124), (4392, 4886)]