21142176

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{20021}}^1$

素因数の和:20045

約数の個数: 48

約数和(自身を含む): 60546528

約数和(自身を除く): 39404352

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 20021, 40042, 60063, 80084, 120126, 160168, 220231, 240252, 320336, 440462, 480504, 640672, 660693, 880924, 961008, 1321386, 1761848, 1922016, 2642772, 3523696, 5285544, 7047392, 10571088, 21142176]

約数ペア:

[(1, 21142176), (2, 10571088), (3, 7047392), (4, 5285544), (6, 3523696), (8, 2642772), (11, 1922016), (12, 1761848), (16, 1321386), (22, 961008), (24, 880924), (32, 660693), (33, 640672), (44, 480504), (48, 440462), (66, 320336), (88, 240252), (96, 220231), (132, 160168), (176, 120126), (264, 80084), (352, 60063), (528, 40042), (1056, 20021)]