21243766

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5189}}^1$

素因数の和:5303

約数の個数: 16

約数和(自身を含む): 33631200

約数和(自身を除く): 12387434

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 5189, 10378, 119347, 238694, 461821, 923642, 10621883, 21243766]

約数ペア:

[(1, 21243766), (2, 10621883), (23, 923642), (46, 461821), (89, 238694), (178, 119347), (2047, 10378), (4094, 5189)]