21407160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178393}}^1$

素因数の和:178407

約数の個数: 32

約数和(自身を含む): 64221840

約数和(自身を除く): 42814680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178393, 356786, 535179, 713572, 891965, 1070358, 1427144, 1783930, 2140716, 2675895, 3567860, 4281432, 5351790, 7135720, 10703580, 21407160]

約数ペア:

[(1, 21407160), (2, 10703580), (3, 7135720), (4, 5351790), (5, 4281432), (6, 3567860), (8, 2675895), (10, 2140716), (12, 1783930), (15, 1427144), (20, 1070358), (24, 891965), (30, 713572), (40, 535179), (60, 356786), (120, 178393)]