21356352

素因数分解:

$2^6\times 3^3\times {\mathrm{17}}^1\times {\mathrm{727}}^1$

素因数の和:765

約数の個数: 112

約数和(自身を含む): 66568320

約数和(自身を除く): 45211968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 96, 102, 108, 136, 144, 153, 192, 204, 216, 272, 288, 306, 408, 432, 459, 544, 576, 612, 727, 816, 864, 918, 1088, 1224, 1454, 1632, 1728, 1836, 2181, 2448, 2908, 3264, 3672, 4362, 4896, 5816, 6543, 7344, 8724, 9792, 11632, 12359, 13086, 14688, 17448, 19629, 23264, 24718, 26172, 29376, 34896, 37077, 39258, 46528, 49436, 52344, 69792, 74154, 78516, 98872, 104688, 111231, 139584, 148308, 157032, 197744, 209376, 222462, 296616, 314064, 333693, 395488, 418752, 444924, 593232, 628128, 667386, 790976, 889848, 1186464, 1256256, 1334772, 1779696, 2372928, 2669544, 3559392, 5339088, 7118784, 10678176, 21356352]

約数ペア:

[(1, 21356352), (2, 10678176), (3, 7118784), (4, 5339088), (6, 3559392), (8, 2669544), (9, 2372928), (12, 1779696), (16, 1334772), (17, 1256256), (18, 1186464), (24, 889848), (27, 790976), (32, 667386), (34, 628128), (36, 593232), (48, 444924), (51, 418752), (54, 395488), (64, 333693), (68, 314064), (72, 296616), (96, 222462), (102, 209376), (108, 197744), (136, 157032), (144, 148308), (153, 139584), (192, 111231), (204, 104688), (216, 98872), (272, 78516), (288, 74154), (306, 69792), (408, 52344), (432, 49436), (459, 46528), (544, 39258), (576, 37077), (612, 34896), (727, 29376), (816, 26172), (864, 24718), (918, 23264), (1088, 19629), (1224, 17448), (1454, 14688), (1632, 13086), (1728, 12359), (1836, 11632), (2181, 9792), (2448, 8724), (2908, 7344), (3264, 6543), (3672, 5816), (4362, 4896)]