21419568

素因数分解:

$2^4\times 3^2\times {\mathrm{148747}}^1$

素因数の和:148761

約数の個数: 30

約数和(自身を含む): 59945444

約数和(自身を除く): 38525876

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 148747, 297494, 446241, 594988, 892482, 1189976, 1338723, 1784964, 2379952, 2677446, 3569928, 5354892, 7139856, 10709784, 21419568]

約数ペア:

[(1, 21419568), (2, 10709784), (3, 7139856), (4, 5354892), (6, 3569928), (8, 2677446), (9, 2379952), (12, 1784964), (16, 1338723), (18, 1189976), (24, 892482), (36, 594988), (48, 446241), (72, 297494), (144, 148747)]