21071736

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41809}}^1$

素因数の和:41828

約数の個数: 48

約数和(自身を含む): 65223600

約数和(自身を除く): 44151864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41809, 83618, 125427, 167236, 250854, 292663, 334472, 376281, 501708, 585326, 752562, 877989, 1003416, 1170652, 1505124, 1755978, 2341304, 2633967, 3010248, 3511956, 5267934, 7023912, 10535868, 21071736]

約数ペア:

[(1, 21071736), (2, 10535868), (3, 7023912), (4, 5267934), (6, 3511956), (7, 3010248), (8, 2633967), (9, 2341304), (12, 1755978), (14, 1505124), (18, 1170652), (21, 1003416), (24, 877989), (28, 752562), (36, 585326), (42, 501708), (56, 376281), (63, 334472), (72, 292663), (84, 250854), (126, 167236), (168, 125427), (252, 83618), (504, 41809)]