21857562

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 50544000

約数和(自身を除く): 28686438

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 79, 114, 158, 171, 237, 342, 474, 711, 809, 1422, 1501, 1618, 2427, 3002, 4503, 4854, 7281, 9006, 13509, 14562, 15371, 27018, 30742, 46113, 63911, 92226, 127822, 138339, 191733, 276678, 383466, 575199, 1150398, 1214309, 2428618, 3642927, 7285854, 10928781, 21857562]

約数ペア:

[(1, 21857562), (2, 10928781), (3, 7285854), (6, 3642927), (9, 2428618), (18, 1214309), (19, 1150398), (38, 575199), (57, 383466), (79, 276678), (114, 191733), (158, 138339), (171, 127822), (237, 92226), (342, 63911), (474, 46113), (711, 30742), (809, 27018), (1422, 15371), (1501, 14562), (1618, 13509), (2427, 9006), (3002, 7281), (4503, 4854)]