21884295

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2477}}^1$

素因数の和:2535

約数の個数: 32

約数和(自身を含む): 38062080

約数和(自身を除く): 16177785

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2477, 2945, 7431, 8835, 12385, 37155, 47063, 76787, 141189, 230361, 235315, 383935, 705945, 1151805, 1458953, 4376859, 7294765, 21884295]

約数ペア:

[(1, 21884295), (3, 7294765), (5, 4376859), (15, 1458953), (19, 1151805), (31, 705945), (57, 383935), (93, 235315), (95, 230361), (155, 141189), (285, 76787), (465, 47063), (589, 37155), (1767, 12385), (2477, 8835), (2945, 7431)]