21332820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18713}}^1$

素因数の和:18744

約数の個数: 48

約数和(自身を含む): 62879040

約数和(自身を除く): 41546220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18713, 37426, 56139, 74852, 93565, 112278, 187130, 224556, 280695, 355547, 374260, 561390, 711094, 1066641, 1122780, 1422188, 1777735, 2133282, 3555470, 4266564, 5333205, 7110940, 10666410, 21332820]

約数ペア:

[(1, 21332820), (2, 10666410), (3, 7110940), (4, 5333205), (5, 4266564), (6, 3555470), (10, 2133282), (12, 1777735), (15, 1422188), (19, 1122780), (20, 1066641), (30, 711094), (38, 561390), (57, 374260), (60, 355547), (76, 280695), (95, 224556), (114, 187130), (190, 112278), (228, 93565), (285, 74852), (380, 56139), (570, 37426), (1140, 18713)]