21000415190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4805587}}^1$

素因数の和:4805636

約数の個数: 32

約数和(自身を含む): 41520280320

約数和(自身を除く): 20519865130

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4805587, 9611174, 24027935, 48055870, 91306153, 110528501, 182612306, 221057002, 456530765, 552642505, 913061530, 1105285010, 2100041519, 4200083038, 10500207595, 21000415190]

約数ペア:

[(1, 21000415190), (2, 10500207595), (5, 4200083038), (10, 2100041519), (19, 1105285010), (23, 913061530), (38, 552642505), (46, 456530765), (95, 221057002), (115, 182612306), (190, 110528501), (230, 91306153), (437, 48055870), (874, 24027935), (2185, 9611174), (4370, 4805587)]