21684254499

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{48407}}^1$

素因数の和:48816

約数の個数: 32

約数和(自身を含む): 32901949440

約数和(自身を除く): 11217694941

約数列:

[1, 3, 9, 27, 47, 141, 353, 423, 1059, 1269, 3177, 9531, 16591, 48407, 49773, 145221, 149319, 435663, 447957, 1306989, 2275129, 6825387, 17087671, 20476161, 51263013, 61428483, 153789039, 461367117, 803120537, 2409361611, 7228084833, 21684254499]

約数ペア:

[(1, 21684254499), (3, 7228084833), (9, 2409361611), (27, 803120537), (47, 461367117), (141, 153789039), (353, 61428483), (423, 51263013), (1059, 20476161), (1269, 17087671), (3177, 6825387), (9531, 2275129), (16591, 1306989), (48407, 447957), (49773, 435663), (145221, 149319)]