21077658

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18587}}^1$

素因数の和:18608

約数の個数: 40

約数和(自身を含む): 53979552

約数和(自身を除く): 32901894

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18587, 37174, 55761, 111522, 130109, 167283, 260218, 334566, 390327, 501849, 780654, 1003698, 1170981, 1505547, 2341962, 3011094, 3512943, 7025886, 10538829, 21077658]

約数ペア:

[(1, 21077658), (2, 10538829), (3, 7025886), (6, 3512943), (7, 3011094), (9, 2341962), (14, 1505547), (18, 1170981), (21, 1003698), (27, 780654), (42, 501849), (54, 390327), (63, 334566), (81, 260218), (126, 167283), (162, 130109), (189, 111522), (378, 55761), (567, 37174), (1134, 18587)]