21451155

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4483}}^1$

素因数の和:4531

約数の個数: 32

約数和(自身を含む): 38741760

約数和(自身を除く): 17290605

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4483, 4785, 13449, 22415, 49313, 67245, 130007, 147939, 246565, 390021, 650035, 739695, 1430077, 1950105, 4290231, 7150385, 21451155]

約数ペア:

[(1, 21451155), (3, 7150385), (5, 4290231), (11, 1950105), (15, 1430077), (29, 739695), (33, 650035), (55, 390021), (87, 246565), (145, 147939), (165, 130007), (319, 67245), (435, 49313), (957, 22415), (1595, 13449), (4483, 4785)]