21498210

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{983}}^1$

素因数の和:1011

約数の個数: 64

約数和(自身を含む): 58095360

約数和(自身を除く): 36597150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 983, 1215, 1458, 1966, 2187, 2430, 2949, 3645, 4374, 4915, 5898, 7290, 8847, 9830, 10935, 14745, 17694, 21870, 26541, 29490, 44235, 53082, 79623, 88470, 132705, 159246, 238869, 265410, 398115, 477738, 716607, 796230, 1194345, 1433214, 2149821, 2388690, 3583035, 4299642, 7166070, 10749105, 21498210]

約数ペア:

[(1, 21498210), (2, 10749105), (3, 7166070), (5, 4299642), (6, 3583035), (9, 2388690), (10, 2149821), (15, 1433214), (18, 1194345), (27, 796230), (30, 716607), (45, 477738), (54, 398115), (81, 265410), (90, 238869), (135, 159246), (162, 132705), (243, 88470), (270, 79623), (405, 53082), (486, 44235), (729, 29490), (810, 26541), (983, 21870), (1215, 17694), (1458, 14745), (1966, 10935), (2187, 9830), (2430, 8847), (2949, 7290), (3645, 5898), (4374, 4915)]