21597888980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{733}}^1\times {\mathrm{35933}}^1$

素因数の和:36716

約数の個数: 48

約数和(自身を含む): 46526480784

約数和(自身を除く): 24928591804

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 733, 820, 1466, 2932, 3665, 7330, 14660, 30053, 35933, 60106, 71866, 120212, 143732, 150265, 179665, 300530, 359330, 601060, 718660, 1473253, 2946506, 5893012, 7366265, 14732530, 26338889, 29465060, 52677778, 105355556, 131694445, 263388890, 526777780, 1079894449, 2159788898, 4319577796, 5399472245, 10798944490, 21597888980]

約数ペア:

[(1, 21597888980), (2, 10798944490), (4, 5399472245), (5, 4319577796), (10, 2159788898), (20, 1079894449), (41, 526777780), (82, 263388890), (164, 131694445), (205, 105355556), (410, 52677778), (733, 29465060), (820, 26338889), (1466, 14732530), (2932, 7366265), (3665, 5893012), (7330, 2946506), (14660, 1473253), (30053, 718660), (35933, 601060), (60106, 359330), (71866, 300530), (120212, 179665), (143732, 150265)]