21384185648

素因数分解:

$2^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{940543}}^1$

素因数の和:940594

約数の個数: 60

約数和(自身を含む): 49858237440

約数和(自身を除く): 28474051792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 98, 112, 116, 196, 203, 232, 392, 406, 464, 784, 812, 1421, 1624, 2842, 3248, 5684, 11368, 22736, 940543, 1881086, 3762172, 6583801, 7524344, 13167602, 15048688, 26335204, 27275747, 46086607, 52670408, 54551494, 92173214, 105340816, 109102988, 184346428, 190930229, 218205976, 368692856, 381860458, 436411952, 737385712, 763720916, 1336511603, 1527441832, 2673023206, 3054883664, 5346046412, 10692092824, 21384185648]

約数ペア:

[(1, 21384185648), (2, 10692092824), (4, 5346046412), (7, 3054883664), (8, 2673023206), (14, 1527441832), (16, 1336511603), (28, 763720916), (29, 737385712), (49, 436411952), (56, 381860458), (58, 368692856), (98, 218205976), (112, 190930229), (116, 184346428), (196, 109102988), (203, 105340816), (232, 92173214), (392, 54551494), (406, 52670408), (464, 46086607), (784, 27275747), (812, 26335204), (1421, 15048688), (1624, 13167602), (2842, 7524344), (3248, 6583801), (5684, 3762172), (11368, 1881086), (22736, 940543)]