21088308

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 51480576

約数和(自身を除く): 30392268

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 83, 93, 124, 166, 186, 249, 332, 372, 498, 683, 996, 1366, 2049, 2573, 2732, 4098, 5146, 7719, 8196, 10292, 15438, 21173, 30876, 42346, 56689, 63519, 84692, 113378, 127038, 170067, 226756, 254076, 340134, 680268, 1757359, 3514718, 5272077, 7029436, 10544154, 21088308]

約数ペア:

[(1, 21088308), (2, 10544154), (3, 7029436), (4, 5272077), (6, 3514718), (12, 1757359), (31, 680268), (62, 340134), (83, 254076), (93, 226756), (124, 170067), (166, 127038), (186, 113378), (249, 84692), (332, 63519), (372, 56689), (498, 42346), (683, 30876), (996, 21173), (1366, 15438), (2049, 10292), (2573, 8196), (2732, 7719), (4098, 5146)]