21920304

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{65239}}^1$

素因数の和:65257

約数の個数: 40

約数和(自身を含む): 64718080

約数和(自身を除く): 42797776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 65239, 130478, 195717, 260956, 391434, 456673, 521912, 782868, 913346, 1043824, 1370019, 1565736, 1826692, 2740038, 3131472, 3653384, 5480076, 7306768, 10960152, 21920304]

約数ペア:

[(1, 21920304), (2, 10960152), (3, 7306768), (4, 5480076), (6, 3653384), (7, 3131472), (8, 2740038), (12, 1826692), (14, 1565736), (16, 1370019), (21, 1043824), (24, 913346), (28, 782868), (42, 521912), (48, 456673), (56, 391434), (84, 260956), (112, 195717), (168, 130478), (336, 65239)]