21329295

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1229}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 37195200

約数和(自身を除く): 15865905

約数列:

[1, 3, 5, 13, 15, 39, 65, 89, 195, 267, 445, 1157, 1229, 1335, 3471, 3687, 5785, 6145, 15977, 17355, 18435, 47931, 79885, 109381, 239655, 328143, 546905, 1421953, 1640715, 4265859, 7109765, 21329295]

約数ペア:

[(1, 21329295), (3, 7109765), (5, 4265859), (13, 1640715), (15, 1421953), (39, 546905), (65, 328143), (89, 239655), (195, 109381), (267, 79885), (445, 47931), (1157, 18435), (1229, 17355), (1335, 15977), (3471, 6145), (3687, 5785)]