21149030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7369}}^1$

素因数の和:7424

約数の個数: 32

約数和(自身を含む): 44573760

約数和(自身を除く): 23424730

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7369, 14738, 36845, 51583, 73690, 103166, 257915, 302129, 515830, 604258, 1510645, 2114903, 3021290, 4229806, 10574515, 21149030]

約数ペア:

[(1, 21149030), (2, 10574515), (5, 4229806), (7, 3021290), (10, 2114903), (14, 1510645), (35, 604258), (41, 515830), (70, 302129), (82, 257915), (205, 103166), (287, 73690), (410, 51583), (574, 36845), (1435, 14738), (2870, 7369)]