21061130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{541}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 40389840

約数和(自身を除く): 19328710

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 229, 458, 541, 1082, 1145, 2290, 2705, 3893, 5410, 7786, 9197, 18394, 19465, 38930, 45985, 91970, 123889, 247778, 619445, 1238890, 2106113, 4212226, 10530565, 21061130]

約数ペア:

[(1, 21061130), (2, 10530565), (5, 4212226), (10, 2106113), (17, 1238890), (34, 619445), (85, 247778), (170, 123889), (229, 91970), (458, 45985), (541, 38930), (1082, 19465), (1145, 18394), (2290, 9197), (2705, 7786), (3893, 5410)]