21477521676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{449}}^1\times {\mathrm{1061}}^1$

素因数の和:1564

約数の個数: 144

約数和(自身を含む): 57512397600

約数和(自身を除く): 36034875924

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 289, 442, 449, 578, 663, 867, 884, 898, 1061, 1156, 1326, 1347, 1734, 1796, 2122, 2652, 2694, 3183, 3468, 3757, 4244, 5388, 5837, 6366, 7514, 7633, 11271, 11674, 12732, 13793, 15028, 15266, 17511, 18037, 22542, 22899, 23348, 27586, 30532, 35022, 36074, 41379, 45084, 45798, 54111, 55172, 70044, 72148, 82758, 91596, 99229, 108222, 129761, 165516, 198458, 216444, 234481, 259522, 297687, 306629, 389283, 396916, 468962, 476389, 519044, 595374, 613258, 703443, 778566, 919887, 937924, 952778, 1190748, 1226516, 1406886, 1429167, 1557132, 1686893, 1839774, 1905556, 2813772, 2858334, 3373786, 3679548, 3986177, 5060679, 5716668, 6193057, 6747572, 7972354, 8098613, 10121358, 11958531, 12386114, 15944708, 16197226, 18579171, 20242716, 23917062, 24295839, 24772228, 32394452, 37158342, 47834124, 48591678, 74316684, 97183356, 105281969, 137676421, 210563938, 275352842, 315845907, 413029263, 421127876, 550705684, 631691814, 826058526, 1263383628, 1652117052, 1789793473, 3579586946, 5369380419, 7159173892, 10738760838, 21477521676]

約数ペア:

[(1, 21477521676), (2, 10738760838), (3, 7159173892), (4, 5369380419), (6, 3579586946), (12, 1789793473), (13, 1652117052), (17, 1263383628), (26, 826058526), (34, 631691814), (39, 550705684), (51, 421127876), (52, 413029263), (68, 315845907), (78, 275352842), (102, 210563938), (156, 137676421), (204, 105281969), (221, 97183356), (289, 74316684), (442, 48591678), (449, 47834124), (578, 37158342), (663, 32394452), (867, 24772228), (884, 24295839), (898, 23917062), (1061, 20242716), (1156, 18579171), (1326, 16197226), (1347, 15944708), (1734, 12386114), (1796, 11958531), (2122, 10121358), (2652, 8098613), (2694, 7972354), (3183, 6747572), (3468, 6193057), (3757, 5716668), (4244, 5060679), (5388, 3986177), (5837, 3679548), (6366, 3373786), (7514, 2858334), (7633, 2813772), (11271, 1905556), (11674, 1839774), (12732, 1686893), (13793, 1557132), (15028, 1429167), (15266, 1406886), (17511, 1226516), (18037, 1190748), (22542, 952778), (22899, 937924), (23348, 919887), (27586, 778566), (30532, 703443), (35022, 613258), (36074, 595374), (41379, 519044), (45084, 476389), (45798, 468962), (54111, 396916), (55172, 389283), (70044, 306629), (72148, 297687), (82758, 259522), (91596, 234481), (99229, 216444), (108222, 198458), (129761, 165516)]