21993400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:809

約数の個数: 96

約数和(自身を含む): 60152400

約数和(自身を除く): 38159000

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 130, 143, 200, 220, 260, 275, 286, 325, 440, 520, 550, 572, 650, 715, 769, 1100, 1144, 1300, 1430, 1538, 2200, 2600, 2860, 3076, 3575, 3845, 5720, 6152, 7150, 7690, 8459, 9997, 14300, 15380, 16918, 19225, 19994, 28600, 30760, 33836, 38450, 39988, 42295, 49985, 67672, 76900, 79976, 84590, 99970, 109967, 153800, 169180, 199940, 211475, 219934, 249925, 338360, 399880, 422950, 439868, 499850, 549835, 845900, 879736, 999700, 1099670, 1691800, 1999400, 2199340, 2749175, 4398680, 5498350, 10996700, 21993400]

約数ペア:

[(1, 21993400), (2, 10996700), (4, 5498350), (5, 4398680), (8, 2749175), (10, 2199340), (11, 1999400), (13, 1691800), (20, 1099670), (22, 999700), (25, 879736), (26, 845900), (40, 549835), (44, 499850), (50, 439868), (52, 422950), (55, 399880), (65, 338360), (88, 249925), (100, 219934), (104, 211475), (110, 199940), (130, 169180), (143, 153800), (200, 109967), (220, 99970), (260, 84590), (275, 79976), (286, 76900), (325, 67672), (440, 49985), (520, 42295), (550, 39988), (572, 38450), (650, 33836), (715, 30760), (769, 28600), (1100, 19994), (1144, 19225), (1300, 16918), (1430, 15380), (1538, 14300), (2200, 9997), (2600, 8459), (2860, 7690), (3076, 7150), (3575, 6152), (3845, 5720)]