21608650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{577}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 46443456

約数和(自身を除く): 24834806

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 107, 175, 214, 350, 535, 577, 749, 1070, 1154, 1498, 2675, 2885, 3745, 4039, 5350, 5770, 7490, 8078, 14425, 18725, 20195, 28850, 37450, 40390, 61739, 100975, 123478, 201950, 308695, 432173, 617390, 864346, 1543475, 2160865, 3086950, 4321730, 10804325, 21608650]

約数ペア:

[(1, 21608650), (2, 10804325), (5, 4321730), (7, 3086950), (10, 2160865), (14, 1543475), (25, 864346), (35, 617390), (50, 432173), (70, 308695), (107, 201950), (175, 123478), (214, 100975), (350, 61739), (535, 40390), (577, 37450), (749, 28850), (1070, 20195), (1154, 18725), (1498, 14425), (2675, 8078), (2885, 7490), (3745, 5770), (4039, 5350)]