21783804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13649}}^1$

素因数の和:13682

約数の個数: 48

約数和(自身を含む): 61152000

約数和(自身を除く): 39368196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13649, 27298, 40947, 54596, 81894, 95543, 163788, 191086, 259331, 286629, 382172, 518662, 573258, 777993, 1037324, 1146516, 1555986, 1815317, 3111972, 3630634, 5445951, 7261268, 10891902, 21783804]

約数ペア:

[(1, 21783804), (2, 10891902), (3, 7261268), (4, 5445951), (6, 3630634), (7, 3111972), (12, 1815317), (14, 1555986), (19, 1146516), (21, 1037324), (28, 777993), (38, 573258), (42, 518662), (57, 382172), (76, 286629), (84, 259331), (114, 191086), (133, 163788), (228, 95543), (266, 81894), (399, 54596), (532, 40947), (798, 27298), (1596, 13649)]