21885039

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2377}}^1$

素因数の和:2428

約数の個数: 32

約数和(自身を含む): 36526080

約数和(自身を除く): 14641041

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 279, 297, 341, 837, 1023, 2377, 3069, 7131, 9207, 21393, 26147, 64179, 73687, 78441, 221061, 235323, 663183, 705969, 810557, 1989549, 2431671, 7295013, 21885039]

約数ペア:

[(1, 21885039), (3, 7295013), (9, 2431671), (11, 1989549), (27, 810557), (31, 705969), (33, 663183), (93, 235323), (99, 221061), (279, 78441), (297, 73687), (341, 64179), (837, 26147), (1023, 21393), (2377, 9207), (3069, 7131)]