21467908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1483}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 47867904

約数和(自身を除く): 26399996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 154, 188, 308, 329, 517, 658, 1034, 1316, 1483, 2068, 2966, 3619, 5932, 7238, 10381, 14476, 16313, 20762, 32626, 41524, 65252, 69701, 114191, 139402, 228382, 278804, 456764, 487907, 766711, 975814, 1533422, 1951628, 3066844, 5366977, 10733954, 21467908]

約数ペア:

[(1, 21467908), (2, 10733954), (4, 5366977), (7, 3066844), (11, 1951628), (14, 1533422), (22, 975814), (28, 766711), (44, 487907), (47, 456764), (77, 278804), (94, 228382), (154, 139402), (188, 114191), (308, 69701), (329, 65252), (517, 41524), (658, 32626), (1034, 20762), (1316, 16313), (1483, 14476), (2068, 10381), (2966, 7238), (3619, 5932)]