21983724

素因数分解:

$2^2\times 3^7\times 7^1\times {\mathrm{359}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 66124800

約数和(自身を除く): 44141076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 359, 378, 486, 567, 718, 729, 756, 972, 1077, 1134, 1436, 1458, 1701, 2154, 2187, 2268, 2513, 2916, 3231, 3402, 4308, 4374, 5026, 5103, 6462, 6804, 7539, 8748, 9693, 10052, 10206, 12924, 15078, 15309, 19386, 20412, 22617, 29079, 30156, 30618, 38772, 45234, 58158, 61236, 67851, 87237, 90468, 116316, 135702, 174474, 203553, 261711, 271404, 348948, 407106, 523422, 610659, 785133, 814212, 1046844, 1221318, 1570266, 1831977, 2442636, 3140532, 3663954, 5495931, 7327908, 10991862, 21983724]

約数ペア:

[(1, 21983724), (2, 10991862), (3, 7327908), (4, 5495931), (6, 3663954), (7, 3140532), (9, 2442636), (12, 1831977), (14, 1570266), (18, 1221318), (21, 1046844), (27, 814212), (28, 785133), (36, 610659), (42, 523422), (54, 407106), (63, 348948), (81, 271404), (84, 261711), (108, 203553), (126, 174474), (162, 135702), (189, 116316), (243, 90468), (252, 87237), (324, 67851), (359, 61236), (378, 58158), (486, 45234), (567, 38772), (718, 30618), (729, 30156), (756, 29079), (972, 22617), (1077, 20412), (1134, 19386), (1436, 15309), (1458, 15078), (1701, 12924), (2154, 10206), (2187, 10052), (2268, 9693), (2513, 8748), (2916, 7539), (3231, 6804), (3402, 6462), (4308, 5103), (4374, 5026)]