21442700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6917}}^1$

素因数の和:6962

約数の個数: 36

約数和(自身を含む): 48038592

約数和(自身を除く): 26595892

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 6917, 13834, 27668, 34585, 69170, 138340, 172925, 214427, 345850, 428854, 691700, 857708, 1072135, 2144270, 4288540, 5360675, 10721350, 21442700]

約数ペア:

[(1, 21442700), (2, 10721350), (4, 5360675), (5, 4288540), (10, 2144270), (20, 1072135), (25, 857708), (31, 691700), (50, 428854), (62, 345850), (100, 214427), (124, 172925), (155, 138340), (310, 69170), (620, 34585), (775, 27668), (1550, 13834), (3100, 6917)]