21502250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1117}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 50229504

約数和(自身を除く): 28727254

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 125, 154, 175, 250, 275, 350, 385, 550, 770, 875, 1117, 1375, 1750, 1925, 2234, 2750, 3850, 5585, 7819, 9625, 11170, 12287, 15638, 19250, 24574, 27925, 39095, 55850, 61435, 78190, 86009, 122870, 139625, 172018, 195475, 279250, 307175, 390950, 430045, 614350, 860090, 977375, 1535875, 1954750, 2150225, 3071750, 4300450, 10751125, 21502250]

約数ペア:

[(1, 21502250), (2, 10751125), (5, 4300450), (7, 3071750), (10, 2150225), (11, 1954750), (14, 1535875), (22, 977375), (25, 860090), (35, 614350), (50, 430045), (55, 390950), (70, 307175), (77, 279250), (110, 195475), (125, 172018), (154, 139625), (175, 122870), (250, 86009), (275, 78190), (350, 61435), (385, 55850), (550, 39095), (770, 27925), (875, 24574), (1117, 19250), (1375, 15638), (1750, 12287), (1925, 11170), (2234, 9625), (2750, 7819), (3850, 5585)]