21872376

素因数分解:

$2^3\times 3^3\times {\mathrm{109}}^1\times {\mathrm{929}}^1$

素因数の和:1053

約数の個数: 64

約数和(自身を含む): 61380000

約数和(自身を除く): 39507624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 109, 216, 218, 327, 436, 654, 872, 929, 981, 1308, 1858, 1962, 2616, 2787, 2943, 3716, 3924, 5574, 5886, 7432, 7848, 8361, 11148, 11772, 16722, 22296, 23544, 25083, 33444, 50166, 66888, 100332, 101261, 200664, 202522, 303783, 405044, 607566, 810088, 911349, 1215132, 1822698, 2430264, 2734047, 3645396, 5468094, 7290792, 10936188, 21872376]

約数ペア:

[(1, 21872376), (2, 10936188), (3, 7290792), (4, 5468094), (6, 3645396), (8, 2734047), (9, 2430264), (12, 1822698), (18, 1215132), (24, 911349), (27, 810088), (36, 607566), (54, 405044), (72, 303783), (108, 202522), (109, 200664), (216, 101261), (218, 100332), (327, 66888), (436, 50166), (654, 33444), (872, 25083), (929, 23544), (981, 22296), (1308, 16722), (1858, 11772), (1962, 11148), (2616, 8361), (2787, 7848), (2943, 7432), (3716, 5886), (3924, 5574)]