21881736

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{3847}}^1$

素因数の和:3938

約数の個数: 48

約数和(自身を含む): 60028800

約数和(自身を除く): 38147064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 158, 237, 316, 474, 632, 711, 948, 1422, 1896, 2844, 3847, 5688, 7694, 11541, 15388, 23082, 30776, 34623, 46164, 69246, 92328, 138492, 276984, 303913, 607826, 911739, 1215652, 1823478, 2431304, 2735217, 3646956, 5470434, 7293912, 10940868, 21881736]

約数ペア:

[(1, 21881736), (2, 10940868), (3, 7293912), (4, 5470434), (6, 3646956), (8, 2735217), (9, 2431304), (12, 1823478), (18, 1215652), (24, 911739), (36, 607826), (72, 303913), (79, 276984), (158, 138492), (237, 92328), (316, 69246), (474, 46164), (632, 34623), (711, 30776), (948, 23082), (1422, 15388), (1896, 11541), (2844, 7694), (3847, 5688)]