21502476

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{5381}}^1$

素因数の和:5431

約数の個数: 48

約数和(自身を含む): 57264480

約数和(自身を除く): 35762004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 5381, 10762, 16143, 21524, 32286, 48429, 64572, 96858, 145287, 193716, 199097, 290574, 398194, 581148, 597291, 796388, 1194582, 1791873, 2389164, 3583746, 5375619, 7167492, 10751238, 21502476]

約数ペア:

[(1, 21502476), (2, 10751238), (3, 7167492), (4, 5375619), (6, 3583746), (9, 2389164), (12, 1791873), (18, 1194582), (27, 796388), (36, 597291), (37, 581148), (54, 398194), (74, 290574), (108, 199097), (111, 193716), (148, 145287), (222, 96858), (333, 64572), (444, 48429), (666, 32286), (999, 21524), (1332, 16143), (1998, 10762), (3996, 5381)]