21731952

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:622

約数の個数: 80

約数和(自身を含む): 62138880

約数和(自身を除く): 40406928

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 79, 88, 132, 158, 176, 237, 264, 316, 474, 521, 528, 632, 869, 948, 1042, 1264, 1563, 1738, 1896, 2084, 2607, 3126, 3476, 3792, 4168, 5214, 5731, 6252, 6952, 8336, 10428, 11462, 12504, 13904, 17193, 20856, 22924, 25008, 34386, 41159, 41712, 45848, 68772, 82318, 91696, 123477, 137544, 164636, 246954, 275088, 329272, 452749, 493908, 658544, 905498, 987816, 1358247, 1810996, 1975632, 2716494, 3621992, 5432988, 7243984, 10865976, 21731952]

約数ペア:

[(1, 21731952), (2, 10865976), (3, 7243984), (4, 5432988), (6, 3621992), (8, 2716494), (11, 1975632), (12, 1810996), (16, 1358247), (22, 987816), (24, 905498), (33, 658544), (44, 493908), (48, 452749), (66, 329272), (79, 275088), (88, 246954), (132, 164636), (158, 137544), (176, 123477), (237, 91696), (264, 82318), (316, 68772), (474, 45848), (521, 41712), (528, 41159), (632, 34386), (869, 25008), (948, 22924), (1042, 20856), (1264, 17193), (1563, 13904), (1738, 12504), (1896, 11462), (2084, 10428), (2607, 8336), (3126, 6952), (3476, 6252), (3792, 5731), (4168, 5214)]