21053064

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 55972800

約数和(自身を除く): 34919736

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 137, 152, 228, 274, 337, 411, 456, 548, 674, 822, 1011, 1096, 1348, 1644, 2022, 2603, 2696, 3288, 4044, 5206, 6403, 7809, 8088, 10412, 12806, 15618, 19209, 20824, 25612, 31236, 38418, 46169, 51224, 62472, 76836, 92338, 138507, 153672, 184676, 277014, 369352, 554028, 877211, 1108056, 1754422, 2631633, 3508844, 5263266, 7017688, 10526532, 21053064]

約数ペア:

[(1, 21053064), (2, 10526532), (3, 7017688), (4, 5263266), (6, 3508844), (8, 2631633), (12, 1754422), (19, 1108056), (24, 877211), (38, 554028), (57, 369352), (76, 277014), (114, 184676), (137, 153672), (152, 138507), (228, 92338), (274, 76836), (337, 62472), (411, 51224), (456, 46169), (548, 38418), (674, 31236), (822, 25612), (1011, 20824), (1096, 19209), (1348, 15618), (1644, 12806), (2022, 10412), (2603, 8088), (2696, 7809), (3288, 6403), (4044, 5206)]