21567888

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7883}}^1$

素因数の和:7916

約数の個数: 60

約数和(自身を含む): 63545040

約数和(自身を除く): 41977152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7883, 15766, 23649, 31532, 47298, 63064, 70947, 94596, 126128, 141894, 149777, 189192, 283788, 299554, 378384, 449331, 567576, 599108, 898662, 1135152, 1198216, 1347993, 1797324, 2396432, 2695986, 3594648, 5391972, 7189296, 10783944, 21567888]

約数ペア:

[(1, 21567888), (2, 10783944), (3, 7189296), (4, 5391972), (6, 3594648), (8, 2695986), (9, 2396432), (12, 1797324), (16, 1347993), (18, 1198216), (19, 1135152), (24, 898662), (36, 599108), (38, 567576), (48, 449331), (57, 378384), (72, 299554), (76, 283788), (114, 189192), (144, 149777), (152, 141894), (171, 126128), (228, 94596), (304, 70947), (342, 63064), (456, 47298), (684, 31532), (912, 23649), (1368, 15766), (2736, 7883)]