21786570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2069}}^1$

素因数の和:2101

約数の個数: 80

約数和(自身を含む): 63118440

約数和(自身を除く): 41331870

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2069, 2106, 3510, 4138, 5265, 6207, 10345, 10530, 12414, 18621, 20690, 26897, 31035, 37242, 53794, 55863, 62070, 80691, 93105, 111726, 134485, 161382, 167589, 186210, 242073, 268970, 279315, 335178, 403455, 484146, 558630, 726219, 806910, 837945, 1210365, 1452438, 1675890, 2178657, 2420730, 3631095, 4357314, 7262190, 10893285, 21786570]

約数ペア:

[(1, 21786570), (2, 10893285), (3, 7262190), (5, 4357314), (6, 3631095), (9, 2420730), (10, 2178657), (13, 1675890), (15, 1452438), (18, 1210365), (26, 837945), (27, 806910), (30, 726219), (39, 558630), (45, 484146), (54, 403455), (65, 335178), (78, 279315), (81, 268970), (90, 242073), (117, 186210), (130, 167589), (135, 161382), (162, 134485), (195, 111726), (234, 93105), (270, 80691), (351, 62070), (390, 55863), (405, 53794), (585, 37242), (702, 31035), (810, 26897), (1053, 20690), (1170, 18621), (1755, 12414), (2069, 10530), (2106, 10345), (3510, 6207), (4138, 5265)]