21000901344

素因数分解:

$2^5\times 3^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1\times {\mathrm{2297}}^1$

素因数の和:3168

約数の個数: 96

約数和(自身を含む): 55648809216

約数和(自身を除く): 34647907872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 131, 262, 393, 524, 727, 786, 1048, 1454, 1572, 2096, 2181, 2297, 2908, 3144, 4192, 4362, 4594, 5816, 6288, 6891, 8724, 9188, 11632, 12576, 13782, 17448, 18376, 23264, 27564, 34896, 36752, 55128, 69792, 73504, 95237, 110256, 190474, 220512, 285711, 300907, 380948, 571422, 601814, 761896, 902721, 1142844, 1203628, 1523792, 1669919, 1805442, 2285688, 2407256, 3047584, 3339838, 3610884, 4571376, 4814512, 5009757, 6679676, 7221768, 9142752, 9629024, 10019514, 13359352, 14443536, 20039028, 26718704, 28887072, 40078056, 53437408, 80156112, 160312224, 218759389, 437518778, 656278167, 875037556, 1312556334, 1750075112, 2625112668, 3500150224, 5250225336, 7000300448, 10500450672, 21000901344]

約数ペア:

[(1, 21000901344), (2, 10500450672), (3, 7000300448), (4, 5250225336), (6, 3500150224), (8, 2625112668), (12, 1750075112), (16, 1312556334), (24, 875037556), (32, 656278167), (48, 437518778), (96, 218759389), (131, 160312224), (262, 80156112), (393, 53437408), (524, 40078056), (727, 28887072), (786, 26718704), (1048, 20039028), (1454, 14443536), (1572, 13359352), (2096, 10019514), (2181, 9629024), (2297, 9142752), (2908, 7221768), (3144, 6679676), (4192, 5009757), (4362, 4814512), (4594, 4571376), (5816, 3610884), (6288, 3339838), (6891, 3047584), (8724, 2407256), (9188, 2285688), (11632, 1805442), (12576, 1669919), (13782, 1523792), (17448, 1203628), (18376, 1142844), (23264, 902721), (27564, 761896), (34896, 601814), (36752, 571422), (55128, 380948), (69792, 300907), (73504, 285711), (95237, 220512), (110256, 190474)]