21395760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1511}}^1$

素因数の和:1586

約数の個数: 80

約数和(自身を含む): 67495680

約数和(自身を除く): 46099920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 59, 60, 80, 118, 120, 177, 236, 240, 295, 354, 472, 590, 708, 885, 944, 1180, 1416, 1511, 1770, 2360, 2832, 3022, 3540, 4533, 4720, 6044, 7080, 7555, 9066, 12088, 14160, 15110, 18132, 22665, 24176, 30220, 36264, 45330, 60440, 72528, 89149, 90660, 120880, 178298, 181320, 267447, 356596, 362640, 445745, 534894, 713192, 891490, 1069788, 1337235, 1426384, 1782980, 2139576, 2674470, 3565960, 4279152, 5348940, 7131920, 10697880, 21395760]

約数ペア:

[(1, 21395760), (2, 10697880), (3, 7131920), (4, 5348940), (5, 4279152), (6, 3565960), (8, 2674470), (10, 2139576), (12, 1782980), (15, 1426384), (16, 1337235), (20, 1069788), (24, 891490), (30, 713192), (40, 534894), (48, 445745), (59, 362640), (60, 356596), (80, 267447), (118, 181320), (120, 178298), (177, 120880), (236, 90660), (240, 89149), (295, 72528), (354, 60440), (472, 45330), (590, 36264), (708, 30220), (885, 24176), (944, 22665), (1180, 18132), (1416, 15110), (1511, 14160), (1770, 12088), (2360, 9066), (2832, 7555), (3022, 7080), (3540, 6044), (4533, 4720)]