21471786

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8969}}^1$

素因数の和:9003

約数の個数: 48

約数和(自身を含む): 55972800

約数和(自身を除く): 34501014

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 8969, 17938, 26907, 53814, 62783, 80721, 125566, 161442, 170411, 188349, 340822, 376698, 511233, 565047, 1022466, 1130094, 1192877, 1533699, 2385754, 3067398, 3578631, 7157262, 10735893, 21471786]

約数ペア:

[(1, 21471786), (2, 10735893), (3, 7157262), (6, 3578631), (7, 3067398), (9, 2385754), (14, 1533699), (18, 1192877), (19, 1130094), (21, 1022466), (38, 565047), (42, 511233), (57, 376698), (63, 340822), (114, 188349), (126, 170411), (133, 161442), (171, 125566), (266, 80721), (342, 62783), (399, 53814), (798, 26907), (1197, 17938), (2394, 8969)]