21871068

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 53813760

約数和(自身を除く): 31942692

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 109, 138, 218, 276, 327, 436, 654, 727, 1308, 1454, 2181, 2507, 2908, 4362, 5014, 7521, 8724, 10028, 15042, 16721, 30084, 33442, 50163, 66884, 79243, 100326, 158486, 200652, 237729, 316972, 475458, 950916, 1822589, 3645178, 5467767, 7290356, 10935534, 21871068]

約数ペア:

[(1, 21871068), (2, 10935534), (3, 7290356), (4, 5467767), (6, 3645178), (12, 1822589), (23, 950916), (46, 475458), (69, 316972), (92, 237729), (109, 200652), (138, 158486), (218, 100326), (276, 79243), (327, 66884), (436, 50163), (654, 33442), (727, 30084), (1308, 16721), (1454, 15042), (2181, 10028), (2507, 8724), (2908, 7521), (4362, 5014)]