21581318808

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{14273359}}^1$

素因数の和:14273381

約数の個数: 64

約数和(自身を含む): 68512128000

約数和(自身を除く): 46930809192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 14273359, 28546718, 42820077, 57093436, 85640154, 99913513, 114186872, 128460231, 171280308, 199827026, 256920462, 299740539, 342560616, 385380693, 399654052, 513840924, 599481078, 770761386, 799308104, 899221617, 1027681848, 1198962156, 1541522772, 1798443234, 2397924312, 2697664851, 3083045544, 3596886468, 5395329702, 7193772936, 10790659404, 21581318808]

約数ペア:

[(1, 21581318808), (2, 10790659404), (3, 7193772936), (4, 5395329702), (6, 3596886468), (7, 3083045544), (8, 2697664851), (9, 2397924312), (12, 1798443234), (14, 1541522772), (18, 1198962156), (21, 1027681848), (24, 899221617), (27, 799308104), (28, 770761386), (36, 599481078), (42, 513840924), (54, 399654052), (56, 385380693), (63, 342560616), (72, 299740539), (84, 256920462), (108, 199827026), (126, 171280308), (168, 128460231), (189, 114186872), (216, 99913513), (252, 85640154), (378, 57093436), (504, 42820077), (756, 28546718), (1512, 14273359)]