21500402

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{937}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 40521600

約数和(自身を除く): 19021198

約数列:

[1, 2, 7, 11, 14, 22, 77, 149, 154, 298, 937, 1043, 1639, 1874, 2086, 3278, 6559, 10307, 11473, 13118, 20614, 22946, 72149, 139613, 144298, 279226, 977291, 1535743, 1954582, 3071486, 10750201, 21500402]

約数ペア:

[(1, 21500402), (2, 10750201), (7, 3071486), (11, 1954582), (14, 1535743), (22, 977291), (77, 279226), (149, 144298), (154, 139613), (298, 72149), (937, 22946), (1043, 20614), (1639, 13118), (1874, 11473), (2086, 10307), (3278, 6559)]