21245230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3607}}^1$

素因数の和:3664

約数の個数: 32

約数和(自身を含む): 41564160

約数和(自身を除く): 20318930

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 3607, 5890, 7214, 18035, 36070, 68533, 111817, 137066, 223634, 342665, 559085, 685330, 1118170, 2124523, 4249046, 10622615, 21245230]

約数ペア:

[(1, 21245230), (2, 10622615), (5, 4249046), (10, 2124523), (19, 1118170), (31, 685330), (38, 559085), (62, 342665), (95, 223634), (155, 137066), (190, 111817), (310, 68533), (589, 36070), (1178, 18035), (2945, 7214), (3607, 5890)]