21701550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:418

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 38294610

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 62, 65, 75, 78, 93, 130, 150, 155, 186, 195, 310, 325, 359, 390, 403, 465, 650, 718, 775, 806, 930, 975, 1077, 1209, 1550, 1795, 1950, 2015, 2154, 2325, 2418, 3590, 4030, 4650, 4667, 5385, 6045, 8975, 9334, 10075, 10770, 11129, 12090, 14001, 17950, 20150, 22258, 23335, 26925, 28002, 30225, 33387, 46670, 53850, 55645, 60450, 66774, 70005, 111290, 116675, 140010, 144677, 166935, 233350, 278225, 289354, 333870, 350025, 434031, 556450, 700050, 723385, 834675, 868062, 1446770, 1669350, 2170155, 3616925, 4340310, 7233850, 10850775, 21701550]

約数ペア:

[(1, 21701550), (2, 10850775), (3, 7233850), (5, 4340310), (6, 3616925), (10, 2170155), (13, 1669350), (15, 1446770), (25, 868062), (26, 834675), (30, 723385), (31, 700050), (39, 556450), (50, 434031), (62, 350025), (65, 333870), (75, 289354), (78, 278225), (93, 233350), (130, 166935), (150, 144677), (155, 140010), (186, 116675), (195, 111290), (310, 70005), (325, 66774), (359, 60450), (390, 55645), (403, 53850), (465, 46670), (650, 33387), (718, 30225), (775, 28002), (806, 26925), (930, 23335), (975, 22258), (1077, 20150), (1209, 17950), (1550, 14001), (1795, 12090), (1950, 11129), (2015, 10770), (2154, 10075), (2325, 9334), (2418, 8975), (3590, 6045), (4030, 5385), (4650, 4667)]