21534480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2719}}^1$

素因数の和:2749

約数の個数: 120

約数和(自身を含む): 78923520

約数和(自身を除く): 57389040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 2719, 3960, 5438, 7920, 8157, 10876, 13595, 16314, 21752, 24471, 27190, 29909, 32628, 40785, 43504, 48942, 54380, 59818, 65256, 81570, 89727, 97884, 108760, 119636, 122355, 130512, 149545, 163140, 179454, 195768, 217520, 239272, 244710, 269181, 299090, 326280, 358908, 391536, 448635, 478544, 489420, 538362, 598180, 652560, 717816, 897270, 978840, 1076724, 1196360, 1345905, 1435632, 1794540, 1957680, 2153448, 2392720, 2691810, 3589080, 4306896, 5383620, 7178160, 10767240, 21534480]

約数ペア:

[(1, 21534480), (2, 10767240), (3, 7178160), (4, 5383620), (5, 4306896), (6, 3589080), (8, 2691810), (9, 2392720), (10, 2153448), (11, 1957680), (12, 1794540), (15, 1435632), (16, 1345905), (18, 1196360), (20, 1076724), (22, 978840), (24, 897270), (30, 717816), (33, 652560), (36, 598180), (40, 538362), (44, 489420), (45, 478544), (48, 448635), (55, 391536), (60, 358908), (66, 326280), (72, 299090), (80, 269181), (88, 244710), (90, 239272), (99, 217520), (110, 195768), (120, 179454), (132, 163140), (144, 149545), (165, 130512), (176, 122355), (180, 119636), (198, 108760), (220, 97884), (240, 89727), (264, 81570), (330, 65256), (360, 59818), (396, 54380), (440, 48942), (495, 43504), (528, 40785), (660, 32628), (720, 29909), (792, 27190), (880, 24471), (990, 21752), (1320, 16314), (1584, 13595), (1980, 10876), (2640, 8157), (2719, 7920), (3960, 5438)]