21730324

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{10079}}^1$

素因数の和:10108

約数の個数: 36

約数和(自身を含む): 48263040

約数和(自身を除く): 26532716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 10079, 20158, 40316, 70553, 110869, 141106, 221738, 282212, 443476, 493871, 776083, 987742, 1552166, 1975484, 3104332, 5432581, 10865162, 21730324]

約数ペア:

[(1, 21730324), (2, 10865162), (4, 5432581), (7, 3104332), (11, 1975484), (14, 1552166), (22, 987742), (28, 776083), (44, 493871), (49, 443476), (77, 282212), (98, 221738), (154, 141106), (196, 110869), (308, 70553), (539, 40316), (1078, 20158), (2156, 10079)]