21691990576

素因数分解:

$2^4\times {\mathrm{233}}^1\times {\mathrm{281}}^1\times {\mathrm{20707}}^1$

素因数の和:21229

約数の個数: 40

約数和(自身を含む): 42360864624

約数和(自身を除く): 20668874048

約数列:

[1, 2, 4, 8, 16, 233, 281, 466, 562, 932, 1124, 1864, 2248, 3728, 4496, 20707, 41414, 65473, 82828, 130946, 165656, 261892, 331312, 523784, 1047568, 4824731, 5818667, 9649462, 11637334, 19298924, 23274668, 38597848, 46549336, 77195696, 93098672, 1355749411, 2711498822, 5422997644, 10845995288, 21691990576]

約数ペア:

[(1, 21691990576), (2, 10845995288), (4, 5422997644), (8, 2711498822), (16, 1355749411), (233, 93098672), (281, 77195696), (466, 46549336), (562, 38597848), (932, 23274668), (1124, 19298924), (1864, 11637334), (2248, 9649462), (3728, 5818667), (4496, 4824731), (20707, 1047568), (41414, 523784), (65473, 331312), (82828, 261892), (130946, 165656)]