21477246

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 50996736

約数和(自身を除く): 29519490

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 83, 101, 122, 166, 183, 202, 249, 303, 366, 427, 498, 581, 606, 707, 854, 1162, 1281, 1414, 1743, 2121, 2562, 3486, 4242, 5063, 6161, 8383, 10126, 12322, 15189, 16766, 18483, 25149, 30378, 35441, 36966, 43127, 50298, 58681, 70882, 86254, 106323, 117362, 129381, 176043, 212646, 258762, 352086, 511363, 1022726, 1534089, 3068178, 3579541, 7159082, 10738623, 21477246]

約数ペア:

[(1, 21477246), (2, 10738623), (3, 7159082), (6, 3579541), (7, 3068178), (14, 1534089), (21, 1022726), (42, 511363), (61, 352086), (83, 258762), (101, 212646), (122, 176043), (166, 129381), (183, 117362), (202, 106323), (249, 86254), (303, 70882), (366, 58681), (427, 50298), (498, 43127), (581, 36966), (606, 35441), (707, 30378), (854, 25149), (1162, 18483), (1281, 16766), (1414, 15189), (1743, 12322), (2121, 10126), (2562, 8383), (3486, 6161), (4242, 5063)]