21639200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2459}}^1$

素因数の和:2490

約数の個数: 72

約数和(自身を含む): 57652560

約数和(自身を除く): 36013360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2459, 4400, 4918, 8800, 9836, 12295, 19672, 24590, 27049, 39344, 49180, 54098, 61475, 78688, 98360, 108196, 122950, 135245, 196720, 216392, 245900, 270490, 393440, 432784, 491800, 540980, 676225, 865568, 983600, 1081960, 1352450, 1967200, 2163920, 2704900, 4327840, 5409800, 10819600, 21639200]

約数ペア:

[(1, 21639200), (2, 10819600), (4, 5409800), (5, 4327840), (8, 2704900), (10, 2163920), (11, 1967200), (16, 1352450), (20, 1081960), (22, 983600), (25, 865568), (32, 676225), (40, 540980), (44, 491800), (50, 432784), (55, 393440), (80, 270490), (88, 245900), (100, 216392), (110, 196720), (160, 135245), (176, 122950), (200, 108196), (220, 98360), (275, 78688), (352, 61475), (400, 54098), (440, 49180), (550, 39344), (800, 27049), (880, 24590), (1100, 19672), (1760, 12295), (2200, 9836), (2459, 8800), (4400, 4918)]