21519760641

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{43577}}^1$

素因数の和:44041

約数の個数: 32

約数和(自身を含む): 31777774848

約数和(自身を除く): 10258014207

約数列:

[1, 3, 17, 23, 51, 69, 391, 421, 1173, 1263, 7157, 9683, 21471, 29049, 43577, 130731, 164611, 493833, 740809, 1002271, 2222427, 3006813, 17038607, 18345917, 51115821, 55037751, 311880589, 421956091, 935641767, 1265868273, 7173253547, 21519760641]

約数ペア:

[(1, 21519760641), (3, 7173253547), (17, 1265868273), (23, 935641767), (51, 421956091), (69, 311880589), (391, 55037751), (421, 51115821), (1173, 18345917), (1263, 17038607), (7157, 3006813), (9683, 2222427), (21471, 1002271), (29049, 740809), (43577, 493833), (130731, 164611)]