21546540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39901}}^1$

素因数の和:39919

約数の個数: 48

約数和(自身を含む): 67035360

約数和(自身を除く): 45488820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39901, 79802, 119703, 159604, 199505, 239406, 359109, 399010, 478812, 598515, 718218, 798020, 1077327, 1197030, 1436436, 1795545, 2154654, 2394060, 3591090, 4309308, 5386635, 7182180, 10773270, 21546540]

約数ペア:

[(1, 21546540), (2, 10773270), (3, 7182180), (4, 5386635), (5, 4309308), (6, 3591090), (9, 2394060), (10, 2154654), (12, 1795545), (15, 1436436), (18, 1197030), (20, 1077327), (27, 798020), (30, 718218), (36, 598515), (45, 478812), (54, 399010), (60, 359109), (90, 239406), (108, 199505), (135, 159604), (180, 119703), (270, 79802), (540, 39901)]