21707010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18553}}^1$

素因数の和:18579

約数の個数: 48

約数和(自身を含む): 60782904

約数和(自身を除く): 39075894

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18553, 37106, 55659, 92765, 111318, 166977, 185530, 241189, 278295, 333954, 482378, 556590, 723567, 834885, 1205945, 1447134, 1669770, 2170701, 2411890, 3617835, 4341402, 7235670, 10853505, 21707010]

約数ペア:

[(1, 21707010), (2, 10853505), (3, 7235670), (5, 4341402), (6, 3617835), (9, 2411890), (10, 2170701), (13, 1669770), (15, 1447134), (18, 1205945), (26, 834885), (30, 723567), (39, 556590), (45, 482378), (65, 333954), (78, 278295), (90, 241189), (117, 185530), (130, 166977), (195, 111318), (234, 92765), (390, 55659), (585, 37106), (1170, 18553)]