21854490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14867}}^1$

素因数の和:14891

約数の個数: 48

約数和(自身を含む): 61018272

約数和(自身を除く): 39163782

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14867, 29734, 44601, 74335, 89202, 104069, 148670, 208138, 223005, 312207, 446010, 520345, 624414, 728483, 1040690, 1456966, 1561035, 2185449, 3122070, 3642415, 4370898, 7284830, 10927245, 21854490]

約数ペア:

[(1, 21854490), (2, 10927245), (3, 7284830), (5, 4370898), (6, 3642415), (7, 3122070), (10, 2185449), (14, 1561035), (15, 1456966), (21, 1040690), (30, 728483), (35, 624414), (42, 520345), (49, 446010), (70, 312207), (98, 223005), (105, 208138), (147, 148670), (210, 104069), (245, 89202), (294, 74335), (490, 44601), (735, 29734), (1470, 14867)]