21056520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{773}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 63529920

約数和(自身を除く): 42473400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 227, 454, 681, 773, 908, 1135, 1362, 1546, 1816, 2270, 2319, 2724, 3092, 3405, 3865, 4540, 4638, 5448, 6184, 6810, 7730, 9080, 9276, 11595, 13620, 15460, 18552, 23190, 27240, 30920, 46380, 92760, 175471, 350942, 526413, 701884, 877355, 1052826, 1403768, 1754710, 2105652, 2632065, 3509420, 4211304, 5264130, 7018840, 10528260, 21056520]

約数ペア:

[(1, 21056520), (2, 10528260), (3, 7018840), (4, 5264130), (5, 4211304), (6, 3509420), (8, 2632065), (10, 2105652), (12, 1754710), (15, 1403768), (20, 1052826), (24, 877355), (30, 701884), (40, 526413), (60, 350942), (120, 175471), (227, 92760), (454, 46380), (681, 30920), (773, 27240), (908, 23190), (1135, 18552), (1362, 15460), (1546, 13620), (1816, 11595), (2270, 9276), (2319, 9080), (2724, 7730), (3092, 6810), (3405, 6184), (3865, 5448), (4540, 4638)]