21952620

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4517}}^1$

素因数の和:4541

約数の個数: 72

約数和(自身を含む): 69071184

約数和(自身を除く): 47118564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4517, 4860, 9034, 13551, 18068, 22585, 27102, 40653, 45170, 54204, 67755, 81306, 90340, 121959, 135510, 162612, 203265, 243918, 271020, 365877, 406530, 487836, 609795, 731754, 813060, 1097631, 1219590, 1463508, 1829385, 2195262, 2439180, 3658770, 4390524, 5488155, 7317540, 10976310, 21952620]

約数ペア:

[(1, 21952620), (2, 10976310), (3, 7317540), (4, 5488155), (5, 4390524), (6, 3658770), (9, 2439180), (10, 2195262), (12, 1829385), (15, 1463508), (18, 1219590), (20, 1097631), (27, 813060), (30, 731754), (36, 609795), (45, 487836), (54, 406530), (60, 365877), (81, 271020), (90, 243918), (108, 203265), (135, 162612), (162, 135510), (180, 121959), (243, 90340), (270, 81306), (324, 67755), (405, 54204), (486, 45170), (540, 40653), (810, 27102), (972, 22585), (1215, 18068), (1620, 13551), (2430, 9034), (4517, 4860)]