21980370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1913}}^1$

素因数の和:2306

約数の個数: 32

約数和(自身を含む): 52918272

約数和(自身を除く): 30937902

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 383, 766, 1149, 1913, 1915, 2298, 3826, 3830, 5739, 5745, 9565, 11478, 11490, 19130, 28695, 57390, 732679, 1465358, 2198037, 3663395, 4396074, 7326790, 10990185, 21980370]

約数ペア:

[(1, 21980370), (2, 10990185), (3, 7326790), (5, 4396074), (6, 3663395), (10, 2198037), (15, 1465358), (30, 732679), (383, 57390), (766, 28695), (1149, 19130), (1913, 11490), (1915, 11478), (2298, 9565), (3826, 5745), (3830, 5739)]