21014384

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:377

約数の個数: 40

約数和(自身を含む): 41983920

約数和(自身を除く): 20969536

約数列:

[1, 2, 4, 8, 16, 59, 113, 118, 197, 226, 236, 394, 452, 472, 788, 904, 944, 1576, 1808, 3152, 6667, 11623, 13334, 22261, 23246, 26668, 44522, 46492, 53336, 89044, 92984, 106672, 178088, 185968, 356176, 1313399, 2626798, 5253596, 10507192, 21014384]

約数ペア:

[(1, 21014384), (2, 10507192), (4, 5253596), (8, 2626798), (16, 1313399), (59, 356176), (113, 185968), (118, 178088), (197, 106672), (226, 92984), (236, 89044), (394, 53336), (452, 46492), (472, 44522), (788, 26668), (904, 23246), (944, 22261), (1576, 13334), (1808, 11623), (3152, 6667)]