21831230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2423}}^1$

素因数の和:2500

約数の個数: 32

約数和(自身を含む): 42410304

約数和(自身を除く): 20579074

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 901, 1802, 2423, 4505, 4846, 9010, 12115, 24230, 41191, 82382, 128419, 205955, 256838, 411910, 642095, 1284190, 2183123, 4366246, 10915615, 21831230]

約数ペア:

[(1, 21831230), (2, 10915615), (5, 4366246), (10, 2183123), (17, 1284190), (34, 642095), (53, 411910), (85, 256838), (106, 205955), (170, 128419), (265, 82382), (530, 41191), (901, 24230), (1802, 12115), (2423, 9010), (4505, 4846)]