21634380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{457}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 66017952

約数和(自身を除く): 44383572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 457, 526, 789, 914, 1052, 1315, 1371, 1578, 1828, 2285, 2367, 2630, 2742, 3156, 3945, 4113, 4570, 4734, 5260, 5484, 6855, 7890, 8226, 9140, 9468, 11835, 13710, 15780, 16452, 20565, 23670, 27420, 41130, 47340, 82260, 120191, 240382, 360573, 480764, 600955, 721146, 1081719, 1201910, 1442292, 1802865, 2163438, 2403820, 3605730, 4326876, 5408595, 7211460, 10817190, 21634380]

約数ペア:

[(1, 21634380), (2, 10817190), (3, 7211460), (4, 5408595), (5, 4326876), (6, 3605730), (9, 2403820), (10, 2163438), (12, 1802865), (15, 1442292), (18, 1201910), (20, 1081719), (30, 721146), (36, 600955), (45, 480764), (60, 360573), (90, 240382), (180, 120191), (263, 82260), (457, 47340), (526, 41130), (789, 27420), (914, 23670), (1052, 20565), (1315, 16452), (1371, 15780), (1578, 13710), (1828, 11835), (2285, 9468), (2367, 9140), (2630, 8226), (2742, 7890), (3156, 6855), (3945, 5484), (4113, 5260), (4570, 4734)]