21854340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40471}}^1$

素因数の和:40489

約数の個数: 48

約数和(自身を含む): 67992960

約数和(自身を除く): 46138620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40471, 80942, 121413, 161884, 202355, 242826, 364239, 404710, 485652, 607065, 728478, 809420, 1092717, 1214130, 1456956, 1821195, 2185434, 2428260, 3642390, 4370868, 5463585, 7284780, 10927170, 21854340]

約数ペア:

[(1, 21854340), (2, 10927170), (3, 7284780), (4, 5463585), (5, 4370868), (6, 3642390), (9, 2428260), (10, 2185434), (12, 1821195), (15, 1456956), (18, 1214130), (20, 1092717), (27, 809420), (30, 728478), (36, 607065), (45, 485652), (54, 404710), (60, 364239), (90, 242826), (108, 202355), (135, 161884), (180, 121413), (270, 80942), (540, 40471)]