21117395456

素因数分解:

$2^9\times {\mathrm{4519}}^1\times {\mathrm{9127}}^1$

素因数の和:13664

約数の個数: 40

約数和(自身を含む): 42207506880

約数和(自身を除く): 21090111424

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 4519, 9038, 9127, 18076, 18254, 36152, 36508, 72304, 73016, 144608, 146032, 289216, 292064, 578432, 584128, 1156864, 1168256, 2313728, 2336512, 4673024, 41244913, 82489826, 164979652, 329959304, 659918608, 1319837216, 2639674432, 5279348864, 10558697728, 21117395456]

約数ペア:

[(1, 21117395456), (2, 10558697728), (4, 5279348864), (8, 2639674432), (16, 1319837216), (32, 659918608), (64, 329959304), (128, 164979652), (256, 82489826), (512, 41244913), (4519, 4673024), (9038, 2336512), (9127, 2313728), (18076, 1168256), (18254, 1156864), (36152, 584128), (36508, 578432), (72304, 292064), (73016, 289216), (144608, 146032)]