21265750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 96

約数和(自身を含む): 47305440

約数和(自身を除く): 26039690

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 37, 38, 50, 55, 74, 95, 110, 121, 125, 185, 190, 209, 242, 250, 275, 370, 407, 418, 475, 550, 605, 703, 814, 925, 950, 1045, 1210, 1375, 1406, 1850, 2035, 2090, 2299, 2375, 2750, 3025, 3515, 4070, 4477, 4598, 4625, 4750, 5225, 6050, 7030, 7733, 8954, 9250, 10175, 10450, 11495, 15125, 15466, 17575, 20350, 22385, 22990, 26125, 30250, 35150, 38665, 44770, 50875, 52250, 57475, 77330, 85063, 87875, 101750, 111925, 114950, 170126, 175750, 193325, 223850, 287375, 386650, 425315, 559625, 574750, 850630, 966625, 1119250, 1933250, 2126575, 4253150, 10632875, 21265750]

約数ペア:

[(1, 21265750), (2, 10632875), (5, 4253150), (10, 2126575), (11, 1933250), (19, 1119250), (22, 966625), (25, 850630), (37, 574750), (38, 559625), (50, 425315), (55, 386650), (74, 287375), (95, 223850), (110, 193325), (121, 175750), (125, 170126), (185, 114950), (190, 111925), (209, 101750), (242, 87875), (250, 85063), (275, 77330), (370, 57475), (407, 52250), (418, 50875), (475, 44770), (550, 38665), (605, 35150), (703, 30250), (814, 26125), (925, 22990), (950, 22385), (1045, 20350), (1210, 17575), (1375, 15466), (1406, 15125), (1850, 11495), (2035, 10450), (2090, 10175), (2299, 9250), (2375, 8954), (2750, 7733), (3025, 7030), (3515, 6050), (4070, 5225), (4477, 4750), (4598, 4625)]