21698110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{773}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 44805312

約数和(自身を除く): 23107202

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 773, 802, 1546, 2005, 2807, 3865, 4010, 5411, 5614, 7730, 10822, 14035, 27055, 28070, 54110, 309973, 619946, 1549865, 2169811, 3099730, 4339622, 10849055, 21698110]

約数ペア:

[(1, 21698110), (2, 10849055), (5, 4339622), (7, 3099730), (10, 2169811), (14, 1549865), (35, 619946), (70, 309973), (401, 54110), (773, 28070), (802, 27055), (1546, 14035), (2005, 10822), (2807, 7730), (3865, 5614), (4010, 5411)]