21769670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1109}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 42517440

約数和(自身を除く): 20747770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1109, 1510, 1963, 2218, 3926, 5545, 9815, 11090, 14417, 19630, 28834, 72085, 144170, 167459, 334918, 837295, 1674590, 2176967, 4353934, 10884835, 21769670]

約数ペア:

[(1, 21769670), (2, 10884835), (5, 4353934), (10, 2176967), (13, 1674590), (26, 837295), (65, 334918), (130, 167459), (151, 144170), (302, 72085), (755, 28834), (1109, 19630), (1510, 14417), (1963, 11090), (2218, 9815), (3926, 5545)]