21480444

素因数分解:

$2^2\times 3^3\times {\mathrm{103}}^1\times {\mathrm{1931}}^1$

素因数の和:2047

約数の個数: 48

約数和(自身を含む): 56259840

約数和(自身を除く): 34779396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 103, 108, 206, 309, 412, 618, 927, 1236, 1854, 1931, 2781, 3708, 3862, 5562, 5793, 7724, 11124, 11586, 17379, 23172, 34758, 52137, 69516, 104274, 198893, 208548, 397786, 596679, 795572, 1193358, 1790037, 2386716, 3580074, 5370111, 7160148, 10740222, 21480444]

約数ペア:

[(1, 21480444), (2, 10740222), (3, 7160148), (4, 5370111), (6, 3580074), (9, 2386716), (12, 1790037), (18, 1193358), (27, 795572), (36, 596679), (54, 397786), (103, 208548), (108, 198893), (206, 104274), (309, 69516), (412, 52137), (618, 34758), (927, 23172), (1236, 17379), (1854, 11586), (1931, 11124), (2781, 7724), (3708, 5793), (3862, 5562)]