21737050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 43390080

約数和(自身を除く): 21653030

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 107, 170, 214, 239, 425, 478, 535, 850, 1070, 1195, 1819, 2390, 2675, 3638, 4063, 5350, 5975, 8126, 9095, 11950, 18190, 20315, 25573, 40630, 45475, 51146, 90950, 101575, 127865, 203150, 255730, 434741, 639325, 869482, 1278650, 2173705, 4347410, 10868525, 21737050]

約数ペア:

[(1, 21737050), (2, 10868525), (5, 4347410), (10, 2173705), (17, 1278650), (25, 869482), (34, 639325), (50, 434741), (85, 255730), (107, 203150), (170, 127865), (214, 101575), (239, 90950), (425, 51146), (478, 45475), (535, 40630), (850, 25573), (1070, 20315), (1195, 18190), (1819, 11950), (2390, 9095), (2675, 8126), (3638, 5975), (4063, 5350)]