21531664

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17477}}^1$

素因数の和:17503

約数の個数: 40

約数和(自身を含む): 52014528

約数和(自身を除く): 30482864

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17477, 34954, 69908, 122339, 139816, 192247, 244678, 279632, 384494, 489356, 768988, 978712, 1345729, 1537976, 1957424, 2691458, 3075952, 5382916, 10765832, 21531664]

約数ペア:

[(1, 21531664), (2, 10765832), (4, 5382916), (7, 3075952), (8, 2691458), (11, 1957424), (14, 1537976), (16, 1345729), (22, 978712), (28, 768988), (44, 489356), (56, 384494), (77, 279632), (88, 244678), (112, 192247), (154, 139816), (176, 122339), (308, 69908), (616, 34954), (1232, 17477)]