21272174

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2819}}^1$

素因数の和:2853

約数の個数: 32

約数和(自身を含む): 40608000

約数和(自身を除く): 19335826

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 343, 539, 686, 1078, 2819, 3773, 5638, 7546, 19733, 31009, 39466, 62018, 138131, 217063, 276262, 434126, 966917, 1519441, 1933834, 3038882, 10636087, 21272174]

約数ペア:

[(1, 21272174), (2, 10636087), (7, 3038882), (11, 1933834), (14, 1519441), (22, 966917), (49, 434126), (77, 276262), (98, 217063), (154, 138131), (343, 62018), (539, 39466), (686, 31009), (1078, 19733), (2819, 7546), (3773, 5638)]