21319758

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{2239}}^1$

素因数の和:2293

約数の個数: 36

約数和(自身を含む): 48310080

約数和(自身を除く): 26990322

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 529, 1058, 1587, 2239, 3174, 4478, 4761, 6717, 9522, 13434, 20151, 40302, 51497, 102994, 154491, 308982, 463473, 926946, 1184431, 2368862, 3553293, 7106586, 10659879, 21319758]

約数ペア:

[(1, 21319758), (2, 10659879), (3, 7106586), (6, 3553293), (9, 2368862), (18, 1184431), (23, 926946), (46, 463473), (69, 308982), (138, 154491), (207, 102994), (414, 51497), (529, 40302), (1058, 20151), (1587, 13434), (2239, 9522), (3174, 6717), (4478, 4761)]