21616010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9781}}^1$

素因数の和:9818

約数の個数: 32

約数和(自身を含む): 44371152

約数和(自身を除く): 22755142

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9781, 19562, 48905, 97810, 127153, 166277, 254306, 332554, 635765, 831385, 1271530, 1662770, 2161601, 4323202, 10808005, 21616010]

約数ペア:

[(1, 21616010), (2, 10808005), (5, 4323202), (10, 2161601), (13, 1662770), (17, 1271530), (26, 831385), (34, 635765), (65, 332554), (85, 254306), (130, 166277), (170, 127153), (221, 97810), (442, 48905), (1105, 19562), (2210, 9781)]