21298608

素因数分解:

$2^4\times 3^2\times {\mathrm{353}}^1\times {\mathrm{419}}^1$

素因数の和:786

約数の個数: 60

約数和(自身を含む): 59918040

約数和(自身を除く): 38619432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 353, 419, 706, 838, 1059, 1257, 1412, 1676, 2118, 2514, 2824, 3177, 3352, 3771, 4236, 5028, 5648, 6354, 6704, 7542, 8472, 10056, 12708, 15084, 16944, 20112, 25416, 30168, 50832, 60336, 147907, 295814, 443721, 591628, 887442, 1183256, 1331163, 1774884, 2366512, 2662326, 3549768, 5324652, 7099536, 10649304, 21298608]

約数ペア:

[(1, 21298608), (2, 10649304), (3, 7099536), (4, 5324652), (6, 3549768), (8, 2662326), (9, 2366512), (12, 1774884), (16, 1331163), (18, 1183256), (24, 887442), (36, 591628), (48, 443721), (72, 295814), (144, 147907), (353, 60336), (419, 50832), (706, 30168), (838, 25416), (1059, 20112), (1257, 16944), (1412, 15084), (1676, 12708), (2118, 10056), (2514, 8472), (2824, 7542), (3177, 6704), (3352, 6354), (3771, 5648), (4236, 5028)]