21781275984

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11635297}}^1$

素因数の和:11635324

約数の個数: 60

約数和(自身を含む): 65646351316

約数和(自身を除く): 43865075332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11635297, 23270594, 34905891, 46541188, 69811782, 93082376, 104717673, 139623564, 151258861, 186164752, 209435346, 279247128, 302517722, 418870692, 453776583, 558494256, 605035444, 837741384, 907553166, 1210070888, 1361329749, 1675482768, 1815106332, 2420141776, 2722659498, 3630212664, 5445318996, 7260425328, 10890637992, 21781275984]

約数ペア:

[(1, 21781275984), (2, 10890637992), (3, 7260425328), (4, 5445318996), (6, 3630212664), (8, 2722659498), (9, 2420141776), (12, 1815106332), (13, 1675482768), (16, 1361329749), (18, 1210070888), (24, 907553166), (26, 837741384), (36, 605035444), (39, 558494256), (48, 453776583), (52, 418870692), (72, 302517722), (78, 279247128), (104, 209435346), (117, 186164752), (144, 151258861), (156, 139623564), (208, 104717673), (234, 93082376), (312, 69811782), (468, 46541188), (624, 34905891), (936, 23270594), (1872, 11635297)]