21691463424

素因数分解:

$2^8\times 3^1\times {\mathrm{977}}^1\times {\mathrm{28909}}^1$

素因数の和:29905

約数の個数: 72

約数和(自身を含む): 57792015120

約数和(自身を除く): 36100551696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 977, 1954, 2931, 3908, 5862, 7816, 11724, 15632, 23448, 28909, 31264, 46896, 57818, 62528, 86727, 93792, 115636, 125056, 173454, 187584, 231272, 250112, 346908, 375168, 462544, 693816, 750336, 925088, 1387632, 1850176, 2775264, 3700352, 5550528, 7400704, 11101056, 22202112, 28244093, 56488186, 84732279, 112976372, 169464558, 225952744, 338929116, 451905488, 677858232, 903810976, 1355716464, 1807621952, 2711432928, 3615243904, 5422865856, 7230487808, 10845731712, 21691463424]

約数ペア:

[(1, 21691463424), (2, 10845731712), (3, 7230487808), (4, 5422865856), (6, 3615243904), (8, 2711432928), (12, 1807621952), (16, 1355716464), (24, 903810976), (32, 677858232), (48, 451905488), (64, 338929116), (96, 225952744), (128, 169464558), (192, 112976372), (256, 84732279), (384, 56488186), (768, 28244093), (977, 22202112), (1954, 11101056), (2931, 7400704), (3908, 5550528), (5862, 3700352), (7816, 2775264), (11724, 1850176), (15632, 1387632), (23448, 925088), (28909, 750336), (31264, 693816), (46896, 462544), (57818, 375168), (62528, 346908), (86727, 250112), (93792, 231272), (115636, 187584), (125056, 173454)]