212621210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{65827}}^1$

素因数の和:65870

約数の個数: 32

約数和(自身を含む): 426565440

約数和(自身を除く): 213944230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 65827, 131654, 329135, 658270, 1119059, 1250713, 2238118, 2501426, 5595295, 6253565, 11190590, 12507130, 21262121, 42524242, 106310605, 212621210]

約数ペア:

[(1, 212621210), (2, 106310605), (5, 42524242), (10, 21262121), (17, 12507130), (19, 11190590), (34, 6253565), (38, 5595295), (85, 2501426), (95, 2238118), (170, 1250713), (190, 1119059), (323, 658270), (646, 329135), (1615, 131654), (3230, 65827)]