21790590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4013}}^1$

素因数の和:4204

約数の個数: 32

約数和(自身を含む): 52599456

約数和(自身を除く): 30808866

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 181, 362, 543, 905, 1086, 1810, 2715, 4013, 5430, 8026, 12039, 20065, 24078, 40130, 60195, 120390, 726353, 1452706, 2179059, 3631765, 4358118, 7263530, 10895295, 21790590]

約数ペア:

[(1, 21790590), (2, 10895295), (3, 7263530), (5, 4358118), (6, 3631765), (10, 2179059), (15, 1452706), (30, 726353), (181, 120390), (362, 60195), (543, 40130), (905, 24078), (1086, 20065), (1810, 12039), (2715, 8026), (4013, 5430)]