21919700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19927}}^1$

素因数の和:19952

約数の個数: 36

約数和(自身を含む): 51892512

約数和(自身を除く): 29972812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19927, 39854, 79708, 99635, 199270, 219197, 398540, 438394, 498175, 876788, 996350, 1095985, 1992700, 2191970, 4383940, 5479925, 10959850, 21919700]

約数ペア:

[(1, 21919700), (2, 10959850), (4, 5479925), (5, 4383940), (10, 2191970), (11, 1992700), (20, 1095985), (22, 996350), (25, 876788), (44, 498175), (50, 438394), (55, 398540), (100, 219197), (110, 199270), (220, 99635), (275, 79708), (550, 39854), (1100, 19927)]