21462375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^3\times {\mathrm{43}}^1$

素因数の和:94

約数の個数: 64

約数和(自身を含む): 40195584

約数和(自身を除く): 18733209

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 121, 125, 129, 165, 215, 275, 363, 375, 473, 605, 645, 825, 1075, 1331, 1375, 1419, 1815, 2365, 3025, 3225, 3993, 4125, 5203, 5375, 6655, 7095, 9075, 11825, 15125, 15609, 16125, 19965, 26015, 33275, 35475, 45375, 57233, 59125, 78045, 99825, 130075, 166375, 171699, 177375, 286165, 390225, 499125, 650375, 858495, 1430825, 1951125, 4292475, 7154125, 21462375]

約数ペア:

[(1, 21462375), (3, 7154125), (5, 4292475), (11, 1951125), (15, 1430825), (25, 858495), (33, 650375), (43, 499125), (55, 390225), (75, 286165), (121, 177375), (125, 171699), (129, 166375), (165, 130075), (215, 99825), (275, 78045), (363, 59125), (375, 57233), (473, 45375), (605, 35475), (645, 33275), (825, 26015), (1075, 19965), (1331, 16125), (1375, 15609), (1419, 15125), (1815, 11825), (2365, 9075), (3025, 7095), (3225, 6655), (3993, 5375), (4125, 5203)]