21917808

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 120

約数和(自身を含む): 68071536

約数和(自身を除く): 46153728

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 101, 132, 137, 144, 176, 198, 202, 264, 274, 303, 396, 404, 411, 528, 548, 606, 792, 808, 822, 909, 1096, 1111, 1212, 1233, 1507, 1584, 1616, 1644, 1818, 2192, 2222, 2424, 2466, 3014, 3288, 3333, 3636, 4444, 4521, 4848, 4932, 6028, 6576, 6666, 7272, 8888, 9042, 9864, 9999, 12056, 13332, 13563, 13837, 14544, 17776, 18084, 19728, 19998, 24112, 26664, 27126, 27674, 36168, 39996, 41511, 53328, 54252, 55348, 72336, 79992, 83022, 108504, 110696, 124533, 152207, 159984, 166044, 217008, 221392, 249066, 304414, 332088, 456621, 498132, 608828, 664176, 913242, 996264, 1217656, 1369863, 1826484, 1992528, 2435312, 2739726, 3652968, 5479452, 7305936, 10958904, 21917808]

約数ペア:

[(1, 21917808), (2, 10958904), (3, 7305936), (4, 5479452), (6, 3652968), (8, 2739726), (9, 2435312), (11, 1992528), (12, 1826484), (16, 1369863), (18, 1217656), (22, 996264), (24, 913242), (33, 664176), (36, 608828), (44, 498132), (48, 456621), (66, 332088), (72, 304414), (88, 249066), (99, 221392), (101, 217008), (132, 166044), (137, 159984), (144, 152207), (176, 124533), (198, 110696), (202, 108504), (264, 83022), (274, 79992), (303, 72336), (396, 55348), (404, 54252), (411, 53328), (528, 41511), (548, 39996), (606, 36168), (792, 27674), (808, 27126), (822, 26664), (909, 24112), (1096, 19998), (1111, 19728), (1212, 18084), (1233, 17776), (1507, 14544), (1584, 13837), (1616, 13563), (1644, 13332), (1818, 12056), (2192, 9999), (2222, 9864), (2424, 9042), (2466, 8888), (3014, 7272), (3288, 6666), (3333, 6576), (3636, 6028), (4444, 4932), (4521, 4848)]