21880314

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 29729286

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 79, 138, 158, 207, 223, 237, 414, 446, 474, 621, 669, 711, 1242, 1338, 1422, 1817, 2007, 2133, 3634, 4014, 4266, 5129, 5451, 6021, 10258, 10902, 12042, 15387, 16353, 17617, 30774, 32706, 35234, 46161, 49059, 52851, 92322, 98118, 105702, 138483, 158553, 276966, 317106, 405191, 475659, 810382, 951318, 1215573, 2431146, 3646719, 7293438, 10940157, 21880314]

約数ペア:

[(1, 21880314), (2, 10940157), (3, 7293438), (6, 3646719), (9, 2431146), (18, 1215573), (23, 951318), (27, 810382), (46, 475659), (54, 405191), (69, 317106), (79, 276966), (138, 158553), (158, 138483), (207, 105702), (223, 98118), (237, 92322), (414, 52851), (446, 49059), (474, 46161), (621, 35234), (669, 32706), (711, 30774), (1242, 17617), (1338, 16353), (1422, 15387), (1817, 12042), (2007, 10902), (2133, 10258), (3634, 6021), (4014, 5451), (4266, 5129)]