21741730

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 40352256

約数和(自身を除く): 18610526

約数列:

[1, 2, 5, 10, 47, 94, 167, 235, 277, 334, 470, 554, 835, 1385, 1670, 2770, 7849, 13019, 15698, 26038, 39245, 46259, 65095, 78490, 92518, 130190, 231295, 462590, 2174173, 4348346, 10870865, 21741730]

約数ペア:

[(1, 21741730), (2, 10870865), (5, 4348346), (10, 2174173), (47, 462590), (94, 231295), (167, 130190), (235, 92518), (277, 78490), (334, 65095), (470, 46259), (554, 39245), (835, 26038), (1385, 15698), (1670, 13019), (2770, 7849)]