21417648

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63743}}^1$

素因数の和:63761

約数の個数: 40

約数和(自身を含む): 63234048

約数和(自身を除く): 41816400

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63743, 127486, 191229, 254972, 382458, 446201, 509944, 764916, 892402, 1019888, 1338603, 1529832, 1784804, 2677206, 3059664, 3569608, 5354412, 7139216, 10708824, 21417648]

約数ペア:

[(1, 21417648), (2, 10708824), (3, 7139216), (4, 5354412), (6, 3569608), (7, 3059664), (8, 2677206), (12, 1784804), (14, 1529832), (16, 1338603), (21, 1019888), (24, 892402), (28, 764916), (42, 509944), (48, 446201), (56, 382458), (84, 254972), (112, 191229), (168, 127486), (336, 63743)]