21867538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{953}}^1$

素因数の和:1122

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 19345262

約数列:

[1, 2, 7, 11, 14, 22, 77, 149, 154, 298, 953, 1043, 1639, 1906, 2086, 3278, 6671, 10483, 11473, 13342, 20966, 22946, 73381, 141997, 146762, 283994, 993979, 1561967, 1987958, 3123934, 10933769, 21867538]

約数ペア:

[(1, 21867538), (2, 10933769), (7, 3123934), (11, 1987958), (14, 1561967), (22, 993979), (77, 283994), (149, 146762), (154, 141997), (298, 73381), (953, 22946), (1043, 20966), (1639, 13342), (1906, 11473), (2086, 10483), (3278, 6671)]