21556962

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{8147}}^1$

素因数の和:8172

約数の個数: 48

約数和(自身を含む): 55732320

約数和(自身を除く): 34175358

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 8147, 16294, 24441, 48882, 57029, 73323, 114058, 146646, 171087, 219969, 342174, 399203, 439938, 513261, 798406, 1026522, 1197609, 1539783, 2395218, 3079566, 3592827, 7185654, 10778481, 21556962]

約数ペア:

[(1, 21556962), (2, 10778481), (3, 7185654), (6, 3592827), (7, 3079566), (9, 2395218), (14, 1539783), (18, 1197609), (21, 1026522), (27, 798406), (42, 513261), (49, 439938), (54, 399203), (63, 342174), (98, 219969), (126, 171087), (147, 146646), (189, 114058), (294, 73323), (378, 57029), (441, 48882), (882, 24441), (1323, 16294), (2646, 8147)]