21404784

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{15377}}^1$

素因数の和:15417

約数の個数: 40

約数和(自身を含む): 57206160

約数和(自身を除く): 35801376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 15377, 30754, 46131, 61508, 92262, 123016, 184524, 246032, 369048, 445933, 738096, 891866, 1337799, 1783732, 2675598, 3567464, 5351196, 7134928, 10702392, 21404784]

約数ペア:

[(1, 21404784), (2, 10702392), (3, 7134928), (4, 5351196), (6, 3567464), (8, 2675598), (12, 1783732), (16, 1337799), (24, 891866), (29, 738096), (48, 445933), (58, 369048), (87, 246032), (116, 184524), (174, 123016), (232, 92262), (348, 61508), (464, 46131), (696, 30754), (1392, 15377)]