21748050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1608

約数の個数: 72

約数和(自身を含む): 60353280

約数和(自身を除く): 38605230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 150, 155, 186, 225, 279, 310, 450, 465, 558, 775, 930, 1395, 1550, 1559, 2325, 2790, 3118, 4650, 4677, 6975, 7795, 9354, 13950, 14031, 15590, 23385, 28062, 38975, 46770, 48329, 70155, 77950, 96658, 116925, 140310, 144987, 233850, 241645, 289974, 350775, 434961, 483290, 701550, 724935, 869922, 1208225, 1449870, 2174805, 2416450, 3624675, 4349610, 7249350, 10874025, 21748050]

約数ペア:

[(1, 21748050), (2, 10874025), (3, 7249350), (5, 4349610), (6, 3624675), (9, 2416450), (10, 2174805), (15, 1449870), (18, 1208225), (25, 869922), (30, 724935), (31, 701550), (45, 483290), (50, 434961), (62, 350775), (75, 289974), (90, 241645), (93, 233850), (150, 144987), (155, 140310), (186, 116925), (225, 96658), (279, 77950), (310, 70155), (450, 48329), (465, 46770), (558, 38975), (775, 28062), (930, 23385), (1395, 15590), (1550, 14031), (1559, 13950), (2325, 9354), (2790, 7795), (3118, 6975), (4650, 4677)]