21043000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1913}}^1$

素因数の和:1945

約数の個数: 64

約数和(自身を含む): 53745120

約数和(自身を除く): 32702120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 1913, 2200, 2750, 3826, 5500, 7652, 9565, 11000, 15304, 19130, 21043, 38260, 42086, 47825, 76520, 84172, 95650, 105215, 168344, 191300, 210430, 239125, 382600, 420860, 478250, 526075, 841720, 956500, 1052150, 1913000, 2104300, 2630375, 4208600, 5260750, 10521500, 21043000]

約数ペア:

[(1, 21043000), (2, 10521500), (4, 5260750), (5, 4208600), (8, 2630375), (10, 2104300), (11, 1913000), (20, 1052150), (22, 956500), (25, 841720), (40, 526075), (44, 478250), (50, 420860), (55, 382600), (88, 239125), (100, 210430), (110, 191300), (125, 168344), (200, 105215), (220, 95650), (250, 84172), (275, 76520), (440, 47825), (500, 42086), (550, 38260), (1000, 21043), (1100, 19130), (1375, 15304), (1913, 11000), (2200, 9565), (2750, 7652), (3826, 5500)]