21905136

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13829}}^1$

素因数の和:13854

約数の個数: 60

約数和(自身を含む): 66881880

約数和(自身を除く): 44976744

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 13829, 27658, 41487, 55316, 82974, 110632, 124461, 152119, 165948, 221264, 248922, 304238, 331896, 456357, 497844, 608476, 663792, 912714, 995688, 1216952, 1369071, 1825428, 1991376, 2433904, 2738142, 3650856, 5476284, 7301712, 10952568, 21905136]

約数ペア:

[(1, 21905136), (2, 10952568), (3, 7301712), (4, 5476284), (6, 3650856), (8, 2738142), (9, 2433904), (11, 1991376), (12, 1825428), (16, 1369071), (18, 1216952), (22, 995688), (24, 912714), (33, 663792), (36, 608476), (44, 497844), (48, 456357), (66, 331896), (72, 304238), (88, 248922), (99, 221264), (132, 165948), (144, 152119), (176, 124461), (198, 110632), (264, 82974), (396, 55316), (528, 41487), (792, 27658), (1584, 13829)]