21020996910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1831}}^1\times {\mathrm{22511}}^1$

素因数の和:24369

約数の個数: 64

約数和(自身を含む): 53449611264

約数和(自身を除く): 32428614354

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 1831, 3662, 5493, 9155, 10986, 18310, 22511, 27465, 31127, 45022, 54930, 62254, 67533, 93381, 112555, 135066, 155635, 186762, 225110, 311270, 337665, 382687, 466905, 675330, 765374, 933810, 1148061, 1913435, 2296122, 3826870, 5740305, 11480610, 41217641, 82435282, 123652923, 206088205, 247305846, 412176410, 618264615, 700699897, 1236529230, 1401399794, 2102099691, 3503499485, 4204199382, 7006998970, 10510498455, 21020996910]

約数ペア:

[(1, 21020996910), (2, 10510498455), (3, 7006998970), (5, 4204199382), (6, 3503499485), (10, 2102099691), (15, 1401399794), (17, 1236529230), (30, 700699897), (34, 618264615), (51, 412176410), (85, 247305846), (102, 206088205), (170, 123652923), (255, 82435282), (510, 41217641), (1831, 11480610), (3662, 5740305), (5493, 3826870), (9155, 2296122), (10986, 1913435), (18310, 1148061), (22511, 933810), (27465, 765374), (31127, 675330), (45022, 466905), (54930, 382687), (62254, 337665), (67533, 311270), (93381, 225110), (112555, 186762), (135066, 155635)]