21980328

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{11593}}^1$

素因数の和:11681

約数の個数: 32

約数和(自身を含む): 55651200

約数和(自身を除く): 33670872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 158, 237, 316, 474, 632, 948, 1896, 11593, 23186, 34779, 46372, 69558, 92744, 139116, 278232, 915847, 1831694, 2747541, 3663388, 5495082, 7326776, 10990164, 21980328]

約数ペア:

[(1, 21980328), (2, 10990164), (3, 7326776), (4, 5495082), (6, 3663388), (8, 2747541), (12, 1831694), (24, 915847), (79, 278232), (158, 139116), (237, 92744), (316, 69558), (474, 46372), (632, 34779), (948, 23186), (1896, 11593)]