21456900

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{883}}^1$

素因数の和:912

約数の個数: 108

約数和(自身を含む): 69825392

約数和(自身を除く): 48368492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 405, 450, 486, 540, 675, 810, 883, 900, 972, 1215, 1350, 1620, 1766, 2025, 2430, 2649, 2700, 3532, 4050, 4415, 4860, 5298, 6075, 7947, 8100, 8830, 10596, 12150, 13245, 15894, 17660, 22075, 23841, 24300, 26490, 31788, 39735, 44150, 47682, 52980, 66225, 71523, 79470, 88300, 95364, 119205, 132450, 143046, 158940, 198675, 214569, 238410, 264900, 286092, 357615, 397350, 429138, 476820, 596025, 715230, 794700, 858276, 1072845, 1192050, 1430460, 1788075, 2145690, 2384100, 3576150, 4291380, 5364225, 7152300, 10728450, 21456900]

約数ペア:

[(1, 21456900), (2, 10728450), (3, 7152300), (4, 5364225), (5, 4291380), (6, 3576150), (9, 2384100), (10, 2145690), (12, 1788075), (15, 1430460), (18, 1192050), (20, 1072845), (25, 858276), (27, 794700), (30, 715230), (36, 596025), (45, 476820), (50, 429138), (54, 397350), (60, 357615), (75, 286092), (81, 264900), (90, 238410), (100, 214569), (108, 198675), (135, 158940), (150, 143046), (162, 132450), (180, 119205), (225, 95364), (243, 88300), (270, 79470), (300, 71523), (324, 66225), (405, 52980), (450, 47682), (486, 44150), (540, 39735), (675, 31788), (810, 26490), (883, 24300), (900, 23841), (972, 22075), (1215, 17660), (1350, 15894), (1620, 13245), (1766, 12150), (2025, 10596), (2430, 8830), (2649, 8100), (2700, 7947), (3532, 6075), (4050, 5298), (4415, 4860)]