21383648

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4673}}^1$

素因数の和:4707

約数の個数: 48

約数和(自身を含む): 49469616

約数和(自身を除く): 28085968

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4576, 4673, 9346, 18692, 37384, 51403, 60749, 74768, 102806, 121498, 149536, 205612, 242996, 411224, 485992, 668239, 822448, 971984, 1336478, 1644896, 1943968, 2672956, 5345912, 10691824, 21383648]

約数ペア:

[(1, 21383648), (2, 10691824), (4, 5345912), (8, 2672956), (11, 1943968), (13, 1644896), (16, 1336478), (22, 971984), (26, 822448), (32, 668239), (44, 485992), (52, 411224), (88, 242996), (104, 205612), (143, 149536), (176, 121498), (208, 102806), (286, 74768), (352, 60749), (416, 51403), (572, 37384), (1144, 18692), (2288, 9346), (4576, 4673)]