21786984976

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{527581}}^1$

素因数の和:527707

約数の個数: 40

約数和(自身を含む): 44158613400

約数和(自身を除く): 22371628424

約数列:

[1, 2, 4, 8, 16, 29, 58, 89, 116, 178, 232, 356, 464, 712, 1424, 2581, 5162, 10324, 20648, 41296, 527581, 1055162, 2110324, 4220648, 8441296, 15299849, 30599698, 46954709, 61199396, 93909418, 122398792, 187818836, 244797584, 375637672, 751275344, 1361686561, 2723373122, 5446746244, 10893492488, 21786984976]

約数ペア:

[(1, 21786984976), (2, 10893492488), (4, 5446746244), (8, 2723373122), (16, 1361686561), (29, 751275344), (58, 375637672), (89, 244797584), (116, 187818836), (178, 122398792), (232, 93909418), (356, 61199396), (464, 46954709), (712, 30599698), (1424, 15299849), (2581, 8441296), (5162, 4220648), (10324, 2110324), (20648, 1055162), (41296, 527581)]