21635520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:778

約数の個数: 112

約数和(自身を含む): 71006208

約数和(自身を除く): 49370688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 727, 744, 930, 960, 992, 1240, 1454, 1488, 1860, 1984, 2181, 2480, 2908, 2976, 3635, 3720, 4362, 4960, 5816, 5952, 7270, 7440, 8724, 9920, 10905, 11632, 14540, 14880, 17448, 21810, 22537, 23264, 29080, 29760, 34896, 43620, 45074, 46528, 58160, 67611, 69792, 87240, 90148, 112685, 116320, 135222, 139584, 174480, 180296, 225370, 232640, 270444, 338055, 348960, 360592, 450740, 540888, 676110, 697920, 721184, 901480, 1081776, 1352220, 1442368, 1802960, 2163552, 2704440, 3605920, 4327104, 5408880, 7211840, 10817760, 21635520]

約数ペア:

[(1, 21635520), (2, 10817760), (3, 7211840), (4, 5408880), (5, 4327104), (6, 3605920), (8, 2704440), (10, 2163552), (12, 1802960), (15, 1442368), (16, 1352220), (20, 1081776), (24, 901480), (30, 721184), (31, 697920), (32, 676110), (40, 540888), (48, 450740), (60, 360592), (62, 348960), (64, 338055), (80, 270444), (93, 232640), (96, 225370), (120, 180296), (124, 174480), (155, 139584), (160, 135222), (186, 116320), (192, 112685), (240, 90148), (248, 87240), (310, 69792), (320, 67611), (372, 58160), (465, 46528), (480, 45074), (496, 43620), (620, 34896), (727, 29760), (744, 29080), (930, 23264), (960, 22537), (992, 21810), (1240, 17448), (1454, 14880), (1488, 14540), (1860, 11632), (1984, 10905), (2181, 9920), (2480, 8724), (2908, 7440), (2976, 7270), (3635, 5952), (3720, 5816), (4362, 4960)]