21164760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19597}}^1$

素因数の和:19617

約数の個数: 64

約数和(自身を含む): 70552800

約数和(自身を除く): 49388040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19597, 39194, 58791, 78388, 97985, 117582, 156776, 176373, 195970, 235164, 293955, 352746, 391940, 470328, 529119, 587910, 705492, 783880, 881865, 1058238, 1175820, 1410984, 1763730, 2116476, 2351640, 2645595, 3527460, 4232952, 5291190, 7054920, 10582380, 21164760]

約数ペア:

[(1, 21164760), (2, 10582380), (3, 7054920), (4, 5291190), (5, 4232952), (6, 3527460), (8, 2645595), (9, 2351640), (10, 2116476), (12, 1763730), (15, 1410984), (18, 1175820), (20, 1058238), (24, 881865), (27, 783880), (30, 705492), (36, 587910), (40, 529119), (45, 470328), (54, 391940), (60, 352746), (72, 293955), (90, 235164), (108, 195970), (120, 176373), (135, 156776), (180, 117582), (216, 97985), (270, 78388), (360, 58791), (540, 39194), (1080, 19597)]