21046380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 62512128

約数和(自身を除く): 41465748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 101, 115, 138, 151, 202, 230, 276, 302, 303, 345, 404, 453, 460, 505, 604, 606, 690, 755, 906, 1010, 1212, 1380, 1510, 1515, 1812, 2020, 2265, 2323, 3020, 3030, 3473, 4530, 4646, 6060, 6946, 6969, 9060, 9292, 10419, 11615, 13892, 13938, 15251, 17365, 20838, 23230, 27876, 30502, 34730, 34845, 41676, 45753, 46460, 52095, 61004, 69460, 69690, 76255, 91506, 104190, 139380, 152510, 183012, 208380, 228765, 305020, 350773, 457530, 701546, 915060, 1052319, 1403092, 1753865, 2104638, 3507730, 4209276, 5261595, 7015460, 10523190, 21046380]

約数ペア:

[(1, 21046380), (2, 10523190), (3, 7015460), (4, 5261595), (5, 4209276), (6, 3507730), (10, 2104638), (12, 1753865), (15, 1403092), (20, 1052319), (23, 915060), (30, 701546), (46, 457530), (60, 350773), (69, 305020), (92, 228765), (101, 208380), (115, 183012), (138, 152510), (151, 139380), (202, 104190), (230, 91506), (276, 76255), (302, 69690), (303, 69460), (345, 61004), (404, 52095), (453, 46460), (460, 45753), (505, 41676), (604, 34845), (606, 34730), (690, 30502), (755, 27876), (906, 23230), (1010, 20838), (1212, 17365), (1380, 15251), (1510, 13938), (1515, 13892), (1812, 11615), (2020, 10419), (2265, 9292), (2323, 9060), (3020, 6969), (3030, 6946), (3473, 6060), (4530, 4646)]