21010968

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:302

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 44653032

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 37, 44, 54, 66, 72, 74, 88, 99, 108, 111, 132, 148, 198, 216, 222, 239, 264, 296, 297, 333, 396, 407, 444, 478, 594, 666, 717, 792, 814, 888, 956, 999, 1188, 1221, 1332, 1434, 1628, 1912, 1998, 2151, 2376, 2442, 2629, 2664, 2868, 3256, 3663, 3996, 4302, 4884, 5258, 5736, 6453, 7326, 7887, 7992, 8604, 8843, 9768, 10516, 10989, 12906, 14652, 15774, 17208, 17686, 21032, 21978, 23661, 25812, 26529, 29304, 31548, 35372, 43956, 47322, 51624, 53058, 63096, 70744, 70983, 79587, 87912, 94644, 97273, 106116, 141966, 159174, 189288, 194546, 212232, 238761, 283932, 291819, 318348, 389092, 477522, 567864, 583638, 636696, 778184, 875457, 955044, 1167276, 1750914, 1910088, 2334552, 2626371, 3501828, 5252742, 7003656, 10505484, 21010968]

約数ペア:

[(1, 21010968), (2, 10505484), (3, 7003656), (4, 5252742), (6, 3501828), (8, 2626371), (9, 2334552), (11, 1910088), (12, 1750914), (18, 1167276), (22, 955044), (24, 875457), (27, 778184), (33, 636696), (36, 583638), (37, 567864), (44, 477522), (54, 389092), (66, 318348), (72, 291819), (74, 283932), (88, 238761), (99, 212232), (108, 194546), (111, 189288), (132, 159174), (148, 141966), (198, 106116), (216, 97273), (222, 94644), (239, 87912), (264, 79587), (296, 70983), (297, 70744), (333, 63096), (396, 53058), (407, 51624), (444, 47322), (478, 43956), (594, 35372), (666, 31548), (717, 29304), (792, 26529), (814, 25812), (888, 23661), (956, 21978), (999, 21032), (1188, 17686), (1221, 17208), (1332, 15774), (1434, 14652), (1628, 12906), (1912, 10989), (1998, 10516), (2151, 9768), (2376, 8843), (2442, 8604), (2629, 7992), (2664, 7887), (2868, 7326), (3256, 6453), (3663, 5736), (3996, 5258), (4302, 4884)]