21480146

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 36832320

約数和(自身を除く): 15352174

約数列:

[1, 2, 17, 19, 34, 38, 41, 82, 323, 646, 697, 779, 811, 1394, 1558, 1622, 13243, 13787, 15409, 26486, 27574, 30818, 33251, 66502, 261953, 523906, 565267, 631769, 1130534, 1263538, 10740073, 21480146]

約数ペア:

[(1, 21480146), (2, 10740073), (17, 1263538), (19, 1130534), (34, 631769), (38, 565267), (41, 523906), (82, 261953), (323, 66502), (646, 33251), (697, 30818), (779, 27574), (811, 26486), (1394, 15409), (1558, 13787), (1622, 13243)]