21251904

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^2\times {\mathrm{383}}^1$

素因数の和:432

約数の個数: 84

約数和(自身を含む): 59887104

約数和(自身を除く): 38635200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 136, 192, 204, 272, 289, 383, 408, 544, 578, 766, 816, 867, 1088, 1149, 1156, 1532, 1632, 1734, 2298, 2312, 3064, 3264, 3468, 4596, 4624, 6128, 6511, 6936, 9192, 9248, 12256, 13022, 13872, 18384, 18496, 19533, 24512, 26044, 27744, 36768, 39066, 52088, 55488, 73536, 78132, 104176, 110687, 156264, 208352, 221374, 312528, 332061, 416704, 442748, 625056, 664122, 885496, 1250112, 1328244, 1770992, 2656488, 3541984, 5312976, 7083968, 10625952, 21251904]

約数ペア:

[(1, 21251904), (2, 10625952), (3, 7083968), (4, 5312976), (6, 3541984), (8, 2656488), (12, 1770992), (16, 1328244), (17, 1250112), (24, 885496), (32, 664122), (34, 625056), (48, 442748), (51, 416704), (64, 332061), (68, 312528), (96, 221374), (102, 208352), (136, 156264), (192, 110687), (204, 104176), (272, 78132), (289, 73536), (383, 55488), (408, 52088), (544, 39066), (578, 36768), (766, 27744), (816, 26044), (867, 24512), (1088, 19533), (1149, 18496), (1156, 18384), (1532, 13872), (1632, 13022), (1734, 12256), (2298, 9248), (2312, 9192), (3064, 6936), (3264, 6511), (3468, 6128), (4596, 4624)]