21781344

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:620

約数の個数: 96

約数和(自身を含む): 63673344

約数和(自身を除く): 41892000

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 78, 93, 96, 104, 124, 156, 186, 208, 248, 312, 372, 403, 416, 496, 563, 624, 744, 806, 992, 1126, 1209, 1248, 1488, 1612, 1689, 2252, 2418, 2976, 3224, 3378, 4504, 4836, 6448, 6756, 7319, 9008, 9672, 12896, 13512, 14638, 17453, 18016, 19344, 21957, 27024, 29276, 34906, 38688, 43914, 52359, 54048, 58552, 69812, 87828, 104718, 117104, 139624, 175656, 209436, 226889, 234208, 279248, 351312, 418872, 453778, 558496, 680667, 702624, 837744, 907556, 1361334, 1675488, 1815112, 2722668, 3630224, 5445336, 7260448, 10890672, 21781344]

約数ペア:

[(1, 21781344), (2, 10890672), (3, 7260448), (4, 5445336), (6, 3630224), (8, 2722668), (12, 1815112), (13, 1675488), (16, 1361334), (24, 907556), (26, 837744), (31, 702624), (32, 680667), (39, 558496), (48, 453778), (52, 418872), (62, 351312), (78, 279248), (93, 234208), (96, 226889), (104, 209436), (124, 175656), (156, 139624), (186, 117104), (208, 104718), (248, 87828), (312, 69812), (372, 58552), (403, 54048), (416, 52359), (496, 43914), (563, 38688), (624, 34906), (744, 29276), (806, 27024), (992, 21957), (1126, 19344), (1209, 18016), (1248, 17453), (1488, 14638), (1612, 13512), (1689, 12896), (2252, 9672), (2418, 9008), (2976, 7319), (3224, 6756), (3378, 6448), (4504, 4836)]