21456360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19867}}^1$

素因数の和:19887

約数の個数: 64

約数和(自身を含む): 71524800

約数和(自身を除く): 50068440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19867, 39734, 59601, 79468, 99335, 119202, 158936, 178803, 198670, 238404, 298005, 357606, 397340, 476808, 536409, 596010, 715212, 794680, 894015, 1072818, 1192020, 1430424, 1788030, 2145636, 2384040, 2682045, 3576060, 4291272, 5364090, 7152120, 10728180, 21456360]

約数ペア:

[(1, 21456360), (2, 10728180), (3, 7152120), (4, 5364090), (5, 4291272), (6, 3576060), (8, 2682045), (9, 2384040), (10, 2145636), (12, 1788030), (15, 1430424), (18, 1192020), (20, 1072818), (24, 894015), (27, 794680), (30, 715212), (36, 596010), (40, 536409), (45, 476808), (54, 397340), (60, 357606), (72, 298005), (90, 238404), (108, 198670), (120, 178803), (135, 158936), (180, 119202), (216, 99335), (270, 79468), (360, 59601), (540, 39734), (1080, 19867)]