21990258

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{21433}}^1$

素因数の和:21463

約数の個数: 32

約数和(自身を含む): 51441600

約数和(自身を除く): 29451342

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 21433, 42866, 64299, 128598, 192897, 385794, 407227, 578691, 814454, 1157382, 1221681, 2443362, 3665043, 7330086, 10995129, 21990258]

約数ペア:

[(1, 21990258), (2, 10995129), (3, 7330086), (6, 3665043), (9, 2443362), (18, 1221681), (19, 1157382), (27, 814454), (38, 578691), (54, 407227), (57, 385794), (114, 192897), (171, 128598), (342, 64299), (513, 42866), (1026, 21433)]