21405090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101929}}^1$

素因数の和:101946

約数の個数: 32

約数和(自身を含む): 58711680

約数和(自身を除く): 37306590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 101929, 203858, 305787, 509645, 611574, 713503, 1019290, 1427006, 1528935, 2140509, 3057870, 3567515, 4281018, 7135030, 10702545, 21405090]

約数ペア:

[(1, 21405090), (2, 10702545), (3, 7135030), (5, 4281018), (6, 3567515), (7, 3057870), (10, 2140509), (14, 1528935), (15, 1427006), (21, 1019290), (30, 713503), (35, 611574), (42, 509645), (70, 305787), (105, 203858), (210, 101929)]