21642010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{601}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 42173712

約数和(自身を除く): 20531702

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 277, 554, 601, 1202, 1385, 2770, 3005, 3601, 6010, 7202, 7813, 15626, 18005, 36010, 39065, 78130, 166477, 332954, 832385, 1664770, 2164201, 4328402, 10821005, 21642010]

約数ペア:

[(1, 21642010), (2, 10821005), (5, 4328402), (10, 2164201), (13, 1664770), (26, 832385), (65, 332954), (130, 166477), (277, 78130), (554, 39065), (601, 36010), (1202, 18005), (1385, 15626), (2770, 7813), (3005, 7202), (3601, 6010)]