21519704

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4567}}^1$

素因数の和:4623

約数の個数: 32

約数和(自身を含む): 43852800

約数和(自身を除く): 22333096

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4567, 4712, 9134, 18268, 36536, 86773, 141577, 173546, 283154, 347092, 566308, 694184, 1132616, 2689963, 5379926, 10759852, 21519704]

約数ペア:

[(1, 21519704), (2, 10759852), (4, 5379926), (8, 2689963), (19, 1132616), (31, 694184), (38, 566308), (62, 347092), (76, 283154), (124, 173546), (152, 141577), (248, 86773), (589, 36536), (1178, 18268), (2356, 9134), (4567, 4712)]