21891384

素因数分解:

$2^3\times 3^5\times {\mathrm{11261}}^1$

素因数の和:11282

約数の個数: 48

約数和(自身を含む): 61490520

約数和(自身を除く): 39599136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 11261, 22522, 33783, 45044, 67566, 90088, 101349, 135132, 202698, 270264, 304047, 405396, 608094, 810792, 912141, 1216188, 1824282, 2432376, 2736423, 3648564, 5472846, 7297128, 10945692, 21891384]

約数ペア:

[(1, 21891384), (2, 10945692), (3, 7297128), (4, 5472846), (6, 3648564), (8, 2736423), (9, 2432376), (12, 1824282), (18, 1216188), (24, 912141), (27, 810792), (36, 608094), (54, 405396), (72, 304047), (81, 270264), (108, 202698), (162, 135132), (216, 101349), (243, 90088), (324, 67566), (486, 45044), (648, 33783), (972, 22522), (1944, 11261)]