21732172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1907}}^1$

素因数の和:1966

約数の個数: 48

約数和(自身を含む): 48722688

約数和(自身を除く): 26990516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 1907, 2849, 3814, 5698, 7628, 11396, 13349, 20977, 26698, 41954, 53396, 70559, 83908, 141118, 146839, 282236, 293678, 493913, 587356, 776149, 987826, 1552298, 1975652, 3104596, 5433043, 10866086, 21732172]

約数ペア:

[(1, 21732172), (2, 10866086), (4, 5433043), (7, 3104596), (11, 1975652), (14, 1552298), (22, 987826), (28, 776149), (37, 587356), (44, 493913), (74, 293678), (77, 282236), (148, 146839), (154, 141118), (259, 83908), (308, 70559), (407, 53396), (518, 41954), (814, 26698), (1036, 20977), (1628, 13349), (1907, 11396), (2849, 7628), (3814, 5698)]