21033376

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:294

約数の個数: 96

約数和(自身を含む): 52835328

約数和(自身を除く): 31801952

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 224, 233, 248, 364, 403, 416, 434, 466, 496, 728, 806, 868, 932, 992, 1456, 1612, 1631, 1736, 1864, 2821, 2912, 3029, 3224, 3262, 3472, 3728, 5642, 6058, 6448, 6524, 6944, 7223, 7456, 11284, 12116, 12896, 13048, 14446, 21203, 22568, 24232, 26096, 28892, 42406, 45136, 48464, 50561, 52192, 57784, 84812, 90272, 93899, 96928, 101122, 115568, 169624, 187798, 202244, 231136, 339248, 375596, 404488, 657293, 678496, 751192, 808976, 1314586, 1502384, 1617952, 2629172, 3004768, 5258344, 10516688, 21033376]

約数ペア:

[(1, 21033376), (2, 10516688), (4, 5258344), (7, 3004768), (8, 2629172), (13, 1617952), (14, 1502384), (16, 1314586), (26, 808976), (28, 751192), (31, 678496), (32, 657293), (52, 404488), (56, 375596), (62, 339248), (91, 231136), (104, 202244), (112, 187798), (124, 169624), (182, 115568), (208, 101122), (217, 96928), (224, 93899), (233, 90272), (248, 84812), (364, 57784), (403, 52192), (416, 50561), (434, 48464), (466, 45136), (496, 42406), (728, 28892), (806, 26096), (868, 24232), (932, 22568), (992, 21203), (1456, 14446), (1612, 13048), (1631, 12896), (1736, 12116), (1864, 11284), (2821, 7456), (2912, 7223), (3029, 6944), (3224, 6524), (3262, 6448), (3472, 6058), (3728, 5642)]