21554588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 46085760

約数和(自身を除く): 24531172

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 59, 76, 92, 118, 209, 236, 253, 361, 418, 437, 506, 649, 722, 836, 874, 1012, 1121, 1298, 1357, 1444, 1748, 2242, 2596, 2714, 3971, 4484, 4807, 5428, 7942, 8303, 9614, 12331, 14927, 15884, 16606, 19228, 21299, 24662, 25783, 29854, 33212, 42598, 49324, 51566, 59708, 85196, 91333, 103132, 182666, 234289, 283613, 365332, 468578, 489877, 567226, 937156, 979754, 1134452, 1959508, 5388647, 10777294, 21554588]

約数ペア:

[(1, 21554588), (2, 10777294), (4, 5388647), (11, 1959508), (19, 1134452), (22, 979754), (23, 937156), (38, 567226), (44, 489877), (46, 468578), (59, 365332), (76, 283613), (92, 234289), (118, 182666), (209, 103132), (236, 91333), (253, 85196), (361, 59708), (418, 51566), (437, 49324), (506, 42598), (649, 33212), (722, 29854), (836, 25783), (874, 24662), (1012, 21299), (1121, 19228), (1298, 16606), (1357, 15884), (1444, 14927), (1748, 12331), (2242, 9614), (2596, 8303), (2714, 7942), (3971, 5428), (4484, 4807)]