21286902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2999}}^1$

素因数の和:3037

約数の個数: 48

約数和(自身を含む): 52704000

約数和(自身を除く): 31417098

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 169, 182, 273, 338, 507, 546, 1014, 1183, 2366, 2999, 3549, 5998, 7098, 8997, 17994, 20993, 38987, 41986, 62979, 77974, 116961, 125958, 233922, 272909, 506831, 545818, 818727, 1013662, 1520493, 1637454, 3040986, 3547817, 7095634, 10643451, 21286902]

約数ペア:

[(1, 21286902), (2, 10643451), (3, 7095634), (6, 3547817), (7, 3040986), (13, 1637454), (14, 1520493), (21, 1013662), (26, 818727), (39, 545818), (42, 506831), (78, 272909), (91, 233922), (169, 125958), (182, 116961), (273, 77974), (338, 62979), (507, 41986), (546, 38987), (1014, 20993), (1183, 17994), (2366, 8997), (2999, 7098), (3549, 5998)]