21145068

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11987}}^1$

素因数の和:12011

約数の個数: 54

約数和(自身を含む): 62181756

約数和(自身を除く): 41036688

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11987, 23974, 35961, 47948, 71922, 83909, 107883, 143844, 167818, 215766, 251727, 335636, 431532, 503454, 587363, 755181, 1006908, 1174726, 1510362, 1762089, 2349452, 3020724, 3524178, 5286267, 7048356, 10572534, 21145068]

約数ペア:

[(1, 21145068), (2, 10572534), (3, 7048356), (4, 5286267), (6, 3524178), (7, 3020724), (9, 2349452), (12, 1762089), (14, 1510362), (18, 1174726), (21, 1006908), (28, 755181), (36, 587363), (42, 503454), (49, 431532), (63, 335636), (84, 251727), (98, 215766), (126, 167818), (147, 143844), (196, 107883), (252, 83909), (294, 71922), (441, 47948), (588, 35961), (882, 23974), (1764, 11987)]