21289056

素因数分解:

$2^5\times 3^1\times {\mathrm{211}}^1\times {\mathrm{1051}}^1$

素因数の和:1275

約数の個数: 48

約数和(自身を含む): 56202048

約数和(自身を除く): 34912992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 211, 422, 633, 844, 1051, 1266, 1688, 2102, 2532, 3153, 3376, 4204, 5064, 6306, 6752, 8408, 10128, 12612, 16816, 20256, 25224, 33632, 50448, 100896, 221761, 443522, 665283, 887044, 1330566, 1774088, 2661132, 3548176, 5322264, 7096352, 10644528, 21289056]

約数ペア:

[(1, 21289056), (2, 10644528), (3, 7096352), (4, 5322264), (6, 3548176), (8, 2661132), (12, 1774088), (16, 1330566), (24, 887044), (32, 665283), (48, 443522), (96, 221761), (211, 100896), (422, 50448), (633, 33632), (844, 25224), (1051, 20256), (1266, 16816), (1688, 12612), (2102, 10128), (2532, 8408), (3153, 6752), (3376, 6306), (4204, 5064)]