21151536

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:88

約数の個数: 180

約数和(自身を含む): 70354872

約数和(自身を除く): 49203336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 23, 24, 28, 34, 42, 46, 48, 49, 51, 56, 68, 69, 84, 92, 98, 102, 112, 119, 136, 138, 147, 161, 168, 184, 196, 204, 238, 272, 276, 294, 322, 336, 357, 368, 391, 392, 408, 476, 483, 529, 552, 588, 644, 714, 782, 784, 816, 833, 952, 966, 1058, 1104, 1127, 1173, 1176, 1288, 1428, 1564, 1587, 1666, 1904, 1932, 2116, 2254, 2346, 2352, 2499, 2576, 2737, 2856, 3128, 3174, 3332, 3381, 3703, 3864, 4232, 4508, 4692, 4998, 5474, 5712, 6256, 6348, 6664, 6762, 7406, 7728, 8211, 8464, 8993, 9016, 9384, 9996, 10948, 11109, 12696, 13328, 13524, 14812, 16422, 17986, 18032, 18768, 19159, 19992, 21896, 22218, 25392, 25921, 26979, 27048, 29624, 32844, 35972, 38318, 39984, 43792, 44436, 51842, 53958, 54096, 57477, 59248, 62951, 65688, 71944, 76636, 77763, 88872, 103684, 107916, 114954, 125902, 131376, 143888, 153272, 155526, 177744, 188853, 207368, 215832, 229908, 251804, 306544, 311052, 377706, 414736, 431664, 440657, 459816, 503608, 622104, 755412, 881314, 919632, 1007216, 1244208, 1321971, 1510824, 1762628, 2643942, 3021648, 3525256, 5287884, 7050512, 10575768, 21151536]

約数ペア:

[(1, 21151536), (2, 10575768), (3, 7050512), (4, 5287884), (6, 3525256), (7, 3021648), (8, 2643942), (12, 1762628), (14, 1510824), (16, 1321971), (17, 1244208), (21, 1007216), (23, 919632), (24, 881314), (28, 755412), (34, 622104), (42, 503608), (46, 459816), (48, 440657), (49, 431664), (51, 414736), (56, 377706), (68, 311052), (69, 306544), (84, 251804), (92, 229908), (98, 215832), (102, 207368), (112, 188853), (119, 177744), (136, 155526), (138, 153272), (147, 143888), (161, 131376), (168, 125902), (184, 114954), (196, 107916), (204, 103684), (238, 88872), (272, 77763), (276, 76636), (294, 71944), (322, 65688), (336, 62951), (357, 59248), (368, 57477), (391, 54096), (392, 53958), (408, 51842), (476, 44436), (483, 43792), (529, 39984), (552, 38318), (588, 35972), (644, 32844), (714, 29624), (782, 27048), (784, 26979), (816, 25921), (833, 25392), (952, 22218), (966, 21896), (1058, 19992), (1104, 19159), (1127, 18768), (1173, 18032), (1176, 17986), (1288, 16422), (1428, 14812), (1564, 13524), (1587, 13328), (1666, 12696), (1904, 11109), (1932, 10948), (2116, 9996), (2254, 9384), (2346, 9016), (2352, 8993), (2499, 8464), (2576, 8211), (2737, 7728), (2856, 7406), (3128, 6762), (3174, 6664), (3332, 6348), (3381, 6256), (3703, 5712), (3864, 5474), (4232, 4998), (4508, 4692)]