21715991800

素因数分解:

$2^3\times 5^2\times {\mathrm{1181}}^1\times {\mathrm{91939}}^1$

素因数の和:93136

約数の個数: 48

約数和(自身を含む): 50532982200

約数和(自身を除く): 28816990400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1181, 2362, 4724, 5905, 9448, 11810, 23620, 29525, 47240, 59050, 91939, 118100, 183878, 236200, 367756, 459695, 735512, 919390, 1838780, 2298475, 3677560, 4596950, 9193900, 18387800, 108579959, 217159918, 434319836, 542899795, 868639672, 1085799590, 2171599180, 2714498975, 4343198360, 5428997950, 10857995900, 21715991800]

約数ペア:

[(1, 21715991800), (2, 10857995900), (4, 5428997950), (5, 4343198360), (8, 2714498975), (10, 2171599180), (20, 1085799590), (25, 868639672), (40, 542899795), (50, 434319836), (100, 217159918), (200, 108579959), (1181, 18387800), (2362, 9193900), (4724, 4596950), (5905, 3677560), (9448, 2298475), (11810, 1838780), (23620, 919390), (29525, 735512), (47240, 459695), (59050, 367756), (91939, 236200), (118100, 183878)]