21089904

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{677}}^1$

素因数の和:758

約数の個数: 80

約数和(自身を含む): 60531840

約数和(自身を除く): 39441936

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 59, 66, 88, 118, 132, 176, 177, 236, 264, 354, 472, 528, 649, 677, 708, 944, 1298, 1354, 1416, 1947, 2031, 2596, 2708, 2832, 3894, 4062, 5192, 5416, 7447, 7788, 8124, 10384, 10832, 14894, 15576, 16248, 22341, 29788, 31152, 32496, 39943, 44682, 59576, 79886, 89364, 119152, 119829, 159772, 178728, 239658, 319544, 357456, 439373, 479316, 639088, 878746, 958632, 1318119, 1757492, 1917264, 2636238, 3514984, 5272476, 7029968, 10544952, 21089904]

約数ペア:

[(1, 21089904), (2, 10544952), (3, 7029968), (4, 5272476), (6, 3514984), (8, 2636238), (11, 1917264), (12, 1757492), (16, 1318119), (22, 958632), (24, 878746), (33, 639088), (44, 479316), (48, 439373), (59, 357456), (66, 319544), (88, 239658), (118, 178728), (132, 159772), (176, 119829), (177, 119152), (236, 89364), (264, 79886), (354, 59576), (472, 44682), (528, 39943), (649, 32496), (677, 31152), (708, 29788), (944, 22341), (1298, 16248), (1354, 15576), (1416, 14894), (1947, 10832), (2031, 10384), (2596, 8124), (2708, 7788), (2832, 7447), (3894, 5416), (4062, 5192)]