21506898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26951}}^1$

素因数の和:26982

約数の個数: 32

約数和(自身を含む): 51747840

約数和(自身を除く): 30240942

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26951, 53902, 80853, 161706, 188657, 377314, 512069, 565971, 1024138, 1131942, 1536207, 3072414, 3584483, 7168966, 10753449, 21506898]

約数ペア:

[(1, 21506898), (2, 10753449), (3, 7168966), (6, 3584483), (7, 3072414), (14, 1536207), (19, 1131942), (21, 1024138), (38, 565971), (42, 512069), (57, 377314), (114, 188657), (133, 161706), (266, 80853), (399, 53902), (798, 26951)]