21895170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1$

素因数の和:1607

約数の個数: 64

約数和(自身を含む): 58696704

約数和(自身を除く): 36801534

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 66, 86, 110, 129, 165, 215, 258, 330, 430, 473, 645, 946, 1290, 1419, 1543, 2365, 2838, 3086, 4629, 4730, 7095, 7715, 9258, 14190, 15430, 16973, 23145, 33946, 46290, 50919, 66349, 84865, 101838, 132698, 169730, 199047, 254595, 331745, 398094, 509190, 663490, 729839, 995235, 1459678, 1990470, 2189517, 3649195, 4379034, 7298390, 10947585, 21895170]

約数ペア:

[(1, 21895170), (2, 10947585), (3, 7298390), (5, 4379034), (6, 3649195), (10, 2189517), (11, 1990470), (15, 1459678), (22, 995235), (30, 729839), (33, 663490), (43, 509190), (55, 398094), (66, 331745), (86, 254595), (110, 199047), (129, 169730), (165, 132698), (215, 101838), (258, 84865), (330, 66349), (430, 50919), (473, 46290), (645, 33946), (946, 23145), (1290, 16973), (1419, 15430), (1543, 14190), (2365, 9258), (2838, 7715), (3086, 7095), (4629, 4730)]