21768802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 37428480

約数和(自身を除く): 15659678

約数列:

[1, 2, 11, 22, 37, 47, 74, 94, 407, 517, 569, 814, 1034, 1138, 1739, 3478, 6259, 12518, 19129, 21053, 26743, 38258, 42106, 53486, 231583, 294173, 463166, 588346, 989491, 1978982, 10884401, 21768802]

約数ペア:

[(1, 21768802), (2, 10884401), (11, 1978982), (22, 989491), (37, 588346), (47, 463166), (74, 294173), (94, 231583), (407, 53486), (517, 42106), (569, 38258), (814, 26743), (1034, 21053), (1138, 19129), (1739, 12518), (3478, 6259)]