21845642

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4139}}^1$

素因数の和:4190

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 19885558

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 4139, 5278, 8278, 28973, 53807, 57946, 107614, 120031, 240062, 376649, 753298, 840217, 1560403, 1680434, 3120806, 10922821, 21845642]

約数ペア:

[(1, 21845642), (2, 10922821), (7, 3120806), (13, 1680434), (14, 1560403), (26, 840217), (29, 753298), (58, 376649), (91, 240062), (182, 120031), (203, 107614), (377, 57946), (406, 53807), (754, 28973), (2639, 8278), (4139, 5278)]