21725496

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{2579}}^1$

素因数の和:2610

約数の個数: 80

約数和(自身を含む): 65557800

約数和(自身を除く): 43832304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2579, 2808, 4212, 5158, 7737, 8424, 10316, 15474, 20632, 23211, 30948, 33527, 46422, 61896, 67054, 69633, 92844, 100581, 134108, 139266, 185688, 201162, 208899, 268216, 278532, 301743, 402324, 417798, 557064, 603486, 804648, 835596, 905229, 1206972, 1671192, 1810458, 2413944, 2715687, 3620916, 5431374, 7241832, 10862748, 21725496]

約数ペア:

[(1, 21725496), (2, 10862748), (3, 7241832), (4, 5431374), (6, 3620916), (8, 2715687), (9, 2413944), (12, 1810458), (13, 1671192), (18, 1206972), (24, 905229), (26, 835596), (27, 804648), (36, 603486), (39, 557064), (52, 417798), (54, 402324), (72, 301743), (78, 278532), (81, 268216), (104, 208899), (108, 201162), (117, 185688), (156, 139266), (162, 134108), (216, 100581), (234, 92844), (312, 69633), (324, 67054), (351, 61896), (468, 46422), (648, 33527), (702, 30948), (936, 23211), (1053, 20632), (1404, 15474), (2106, 10316), (2579, 8424), (2808, 7737), (4212, 5158)]