21756546

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{57557}}^1$

素因数の和:57575

約数の個数: 32

約数和(自身を含む): 55255680

約数和(自身を除く): 33499134

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 57557, 115114, 172671, 345342, 402899, 518013, 805798, 1036026, 1208697, 1554039, 2417394, 3108078, 3626091, 7252182, 10878273, 21756546]

約数ペア:

[(1, 21756546), (2, 10878273), (3, 7252182), (6, 3626091), (7, 3108078), (9, 2417394), (14, 1554039), (18, 1208697), (21, 1036026), (27, 805798), (42, 518013), (54, 402899), (63, 345342), (126, 172671), (189, 115114), (378, 57557)]