21167422540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1483}}^1\times {\mathrm{64879}}^1$

素因数の和:66382

約数の個数: 48

約数和(自身を含む): 48526087680

約数和(自身を除く): 27358665140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1483, 2966, 5932, 7415, 14830, 16313, 29660, 32626, 64879, 65252, 81565, 129758, 163130, 259516, 324395, 326260, 648790, 713669, 1297580, 1427338, 2854676, 3568345, 7136690, 14273380, 96215557, 192431114, 384862228, 481077785, 962155570, 1058371127, 1924311140, 2116742254, 4233484508, 5291855635, 10583711270, 21167422540]

約数ペア:

[(1, 21167422540), (2, 10583711270), (4, 5291855635), (5, 4233484508), (10, 2116742254), (11, 1924311140), (20, 1058371127), (22, 962155570), (44, 481077785), (55, 384862228), (110, 192431114), (220, 96215557), (1483, 14273380), (2966, 7136690), (5932, 3568345), (7415, 2854676), (14830, 1427338), (16313, 1297580), (29660, 713669), (32626, 648790), (64879, 326260), (65252, 324395), (81565, 259516), (129758, 163130)]