21069912

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18679}}^1$

素因数の和:18735

約数の個数: 32

約数和(自身を含む): 53798400

約数和(自身を除く): 32728488

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18679, 37358, 56037, 74716, 112074, 149432, 224148, 448296, 877913, 1755826, 2633739, 3511652, 5267478, 7023304, 10534956, 21069912]

約数ペア:

[(1, 21069912), (2, 10534956), (3, 7023304), (4, 5267478), (6, 3511652), (8, 2633739), (12, 1755826), (24, 877913), (47, 448296), (94, 224148), (141, 149432), (188, 112074), (282, 74716), (376, 56037), (564, 37358), (1128, 18679)]