21218064

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63149}}^1$

素因数の和:63167

約数の個数: 40

約数和(自身を含む): 62644800

約数和(自身を除く): 41426736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63149, 126298, 189447, 252596, 378894, 442043, 505192, 757788, 884086, 1010384, 1326129, 1515576, 1768172, 2652258, 3031152, 3536344, 5304516, 7072688, 10609032, 21218064]

約数ペア:

[(1, 21218064), (2, 10609032), (3, 7072688), (4, 5304516), (6, 3536344), (7, 3031152), (8, 2652258), (12, 1768172), (14, 1515576), (16, 1326129), (21, 1010384), (24, 884086), (28, 757788), (42, 505192), (48, 442043), (56, 378894), (84, 252596), (112, 189447), (168, 126298), (336, 63149)]