21376422

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1389

約数の個数: 48

約数和(自身を含む): 49495680

約数和(自身を除く): 28119258

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 87, 93, 174, 186, 261, 279, 522, 558, 899, 1321, 1798, 2642, 2697, 3963, 5394, 7926, 8091, 11889, 16182, 23778, 38309, 40951, 76618, 81902, 114927, 122853, 229854, 245706, 344781, 368559, 689562, 737118, 1187579, 2375158, 3562737, 7125474, 10688211, 21376422]

約数ペア:

[(1, 21376422), (2, 10688211), (3, 7125474), (6, 3562737), (9, 2375158), (18, 1187579), (29, 737118), (31, 689562), (58, 368559), (62, 344781), (87, 245706), (93, 229854), (174, 122853), (186, 114927), (261, 81902), (279, 76618), (522, 40951), (558, 38309), (899, 23778), (1321, 16182), (1798, 11889), (2642, 8091), (2697, 7926), (3963, 5394)]