21000929463

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1009}}^1\times {\mathrm{2063}}^1$

素因数の和:3156

約数の個数: 48

約数和(自身を含む): 32520384000

約数和(自身を除く): 11519454537

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 531, 1009, 1121, 2063, 3027, 3363, 6189, 9081, 10089, 18567, 19171, 39197, 57513, 59531, 117591, 121717, 172539, 178593, 352773, 365151, 535779, 1095453, 1131089, 2081567, 2312623, 3393267, 6244701, 6937869, 10179801, 18734103, 20813607, 39549773, 118649319, 122812453, 355947957, 368437359, 1105312077, 2333436607, 7000309821, 21000929463]

約数ペア:

[(1, 21000929463), (3, 7000309821), (9, 2333436607), (19, 1105312077), (57, 368437359), (59, 355947957), (171, 122812453), (177, 118649319), (531, 39549773), (1009, 20813607), (1121, 18734103), (2063, 10179801), (3027, 6937869), (3363, 6244701), (6189, 3393267), (9081, 2312623), (10089, 2081567), (18567, 1131089), (19171, 1095453), (39197, 535779), (57513, 365151), (59531, 352773), (117591, 178593), (121717, 172539)]