21035470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5827}}^1$

素因数の和:5872

約数の個数: 24

約数和(自身を含む): 39968424

約数和(自身を除く): 18932954

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5827, 11654, 29135, 58270, 110713, 221426, 553565, 1107130, 2103547, 4207094, 10517735, 21035470]

約数ペア:

[(1, 21035470), (2, 10517735), (5, 4207094), (10, 2103547), (19, 1107130), (38, 553565), (95, 221426), (190, 110713), (361, 58270), (722, 29135), (1805, 11654), (3610, 5827)]