21927880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42169}}^1$

素因数の和:42193

約数の個数: 32

約数和(自身を含む): 53134200

約数和(自身を除く): 31206320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 42169, 84338, 168676, 210845, 337352, 421690, 548197, 843380, 1096394, 1686760, 2192788, 2740985, 4385576, 5481970, 10963940, 21927880]

約数ペア:

[(1, 21927880), (2, 10963940), (4, 5481970), (5, 4385576), (8, 2740985), (10, 2192788), (13, 1686760), (20, 1096394), (26, 843380), (40, 548197), (52, 421690), (65, 337352), (104, 210845), (130, 168676), (260, 84338), (520, 42169)]