21790320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90793}}^1$

素因数の和:90809

約数の個数: 40

約数和(自身を含む): 67550736

約数和(自身を除く): 45760416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90793, 181586, 272379, 363172, 453965, 544758, 726344, 907930, 1089516, 1361895, 1452688, 1815860, 2179032, 2723790, 3631720, 4358064, 5447580, 7263440, 10895160, 21790320]

約数ペア:

[(1, 21790320), (2, 10895160), (3, 7263440), (4, 5447580), (5, 4358064), (6, 3631720), (8, 2723790), (10, 2179032), (12, 1815860), (15, 1452688), (16, 1361895), (20, 1089516), (24, 907930), (30, 726344), (40, 544758), (48, 453965), (60, 363172), (80, 272379), (120, 181586), (240, 90793)]