21414760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18461}}^1$

素因数の和:18501

約数の個数: 32

約数和(自身を含む): 49847400

約数和(自身を除く): 28432640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 18461, 36922, 73844, 92305, 147688, 184610, 369220, 535369, 738440, 1070738, 2141476, 2676845, 4282952, 5353690, 10707380, 21414760]

約数ペア:

[(1, 21414760), (2, 10707380), (4, 5353690), (5, 4282952), (8, 2676845), (10, 2141476), (20, 1070738), (29, 738440), (40, 535369), (58, 369220), (116, 184610), (145, 147688), (232, 92305), (290, 73844), (580, 36922), (1160, 18461)]