21315378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26711}}^1$

素因数の和:26742

約数の個数: 32

約数和(自身を含む): 51287040

約数和(自身を除く): 29971662

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26711, 53422, 80133, 160266, 186977, 373954, 507509, 560931, 1015018, 1121862, 1522527, 3045054, 3552563, 7105126, 10657689, 21315378]

約数ペア:

[(1, 21315378), (2, 10657689), (3, 7105126), (6, 3552563), (7, 3045054), (14, 1522527), (19, 1121862), (21, 1015018), (38, 560931), (42, 507509), (57, 373954), (114, 186977), (133, 160266), (266, 80133), (399, 53422), (798, 26711)]