21053202428

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{617}}^1\times {\mathrm{87943}}^1$

素因数の和:88661

約数の個数: 24

約数和(自身を含む): 37283682912

約数和(自身を除く): 16230480484

約数列:

[1, 2, 4, 97, 194, 388, 617, 1234, 2468, 59849, 87943, 119698, 175886, 239396, 351772, 8530471, 17060942, 34121884, 54260831, 108521662, 217043324, 5263300607, 10526601214, 21053202428]

約数ペア:

[(1, 21053202428), (2, 10526601214), (4, 5263300607), (97, 217043324), (194, 108521662), (388, 54260831), (617, 34121884), (1234, 17060942), (2468, 8530471), (59849, 351772), (87943, 239396), (119698, 175886)]