21063130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{457}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 41549760

約数和(自身を除く): 20486630

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 419, 457, 838, 914, 2095, 2285, 4190, 4570, 4609, 5027, 9218, 10054, 23045, 25135, 46090, 50270, 191483, 382966, 957415, 1914830, 2106313, 4212626, 10531565, 21063130]

約数ペア:

[(1, 21063130), (2, 10531565), (5, 4212626), (10, 2106313), (11, 1914830), (22, 957415), (55, 382966), (110, 191483), (419, 50270), (457, 46090), (838, 25135), (914, 23045), (2095, 10054), (2285, 9218), (4190, 5027), (4570, 4609)]