21432870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 57623040

約数和(自身を除く): 36190170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 163, 270, 326, 487, 489, 815, 974, 978, 1461, 1467, 1630, 2435, 2445, 2922, 2934, 4383, 4401, 4870, 4890, 7305, 7335, 8766, 8802, 13149, 14610, 14670, 21915, 22005, 26298, 43830, 44010, 65745, 79381, 131490, 158762, 238143, 396905, 476286, 714429, 793810, 1190715, 1428858, 2143287, 2381430, 3572145, 4286574, 7144290, 10716435, 21432870]

約数ペア:

[(1, 21432870), (2, 10716435), (3, 7144290), (5, 4286574), (6, 3572145), (9, 2381430), (10, 2143287), (15, 1428858), (18, 1190715), (27, 793810), (30, 714429), (45, 476286), (54, 396905), (90, 238143), (135, 158762), (163, 131490), (270, 79381), (326, 65745), (487, 44010), (489, 43830), (815, 26298), (974, 22005), (978, 21915), (1461, 14670), (1467, 14610), (1630, 13149), (2435, 8802), (2445, 8766), (2922, 7335), (2934, 7305), (4383, 4890), (4401, 4870)]