21438792

素因数分解:

$2^3\times 3^2\times {\mathrm{167}}^1\times {\mathrm{1783}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 58443840

約数和(自身を除く): 37005048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 167, 334, 501, 668, 1002, 1336, 1503, 1783, 2004, 3006, 3566, 4008, 5349, 6012, 7132, 10698, 12024, 14264, 16047, 21396, 32094, 42792, 64188, 128376, 297761, 595522, 893283, 1191044, 1786566, 2382088, 2679849, 3573132, 5359698, 7146264, 10719396, 21438792]

約数ペア:

[(1, 21438792), (2, 10719396), (3, 7146264), (4, 5359698), (6, 3573132), (8, 2679849), (9, 2382088), (12, 1786566), (18, 1191044), (24, 893283), (36, 595522), (72, 297761), (167, 128376), (334, 64188), (501, 42792), (668, 32094), (1002, 21396), (1336, 16047), (1503, 14264), (1783, 12024), (2004, 10698), (3006, 7132), (3566, 6012), (4008, 5349)]