21303715572

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{977}}^1$

素因数の和:1526

約数の個数: 144

約数和(自身を含む): 57670704000

約数和(自身を除く): 36366988428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 71, 76, 114, 142, 171, 213, 228, 284, 342, 426, 449, 639, 684, 852, 898, 977, 1278, 1347, 1349, 1796, 1954, 2556, 2694, 2698, 2931, 3908, 4041, 4047, 5388, 5396, 5862, 8082, 8094, 8531, 8793, 11724, 12141, 16164, 16188, 17062, 17586, 18563, 24282, 25593, 31879, 34124, 35172, 37126, 48564, 51186, 55689, 63758, 69367, 74252, 76779, 95637, 102372, 111378, 127516, 138734, 153558, 167067, 191274, 208101, 222756, 277468, 286911, 307116, 334134, 382548, 416202, 438673, 573822, 605701, 624303, 668268, 832404, 877346, 1147644, 1211402, 1248606, 1316019, 1317973, 1754692, 1817103, 2422804, 2497212, 2632038, 2635946, 3634206, 3948057, 3953919, 5264076, 5271892, 5451309, 7268412, 7896114, 7907838, 8334787, 10902618, 11861757, 15792228, 15815676, 16669574, 21805236, 23723514, 25004361, 31145783, 33339148, 47447028, 50008722, 62291566, 75013083, 93437349, 100017444, 124583132, 150026166, 186874698, 280312047, 300052332, 373749396, 560624094, 591769877, 1121248188, 1183539754, 1775309631, 2367079508, 3550619262, 5325928893, 7101238524, 10651857786, 21303715572]

約数ペア:

[(1, 21303715572), (2, 10651857786), (3, 7101238524), (4, 5325928893), (6, 3550619262), (9, 2367079508), (12, 1775309631), (18, 1183539754), (19, 1121248188), (36, 591769877), (38, 560624094), (57, 373749396), (71, 300052332), (76, 280312047), (114, 186874698), (142, 150026166), (171, 124583132), (213, 100017444), (228, 93437349), (284, 75013083), (342, 62291566), (426, 50008722), (449, 47447028), (639, 33339148), (684, 31145783), (852, 25004361), (898, 23723514), (977, 21805236), (1278, 16669574), (1347, 15815676), (1349, 15792228), (1796, 11861757), (1954, 10902618), (2556, 8334787), (2694, 7907838), (2698, 7896114), (2931, 7268412), (3908, 5451309), (4041, 5271892), (4047, 5264076), (5388, 3953919), (5396, 3948057), (5862, 3634206), (8082, 2635946), (8094, 2632038), (8531, 2497212), (8793, 2422804), (11724, 1817103), (12141, 1754692), (16164, 1317973), (16188, 1316019), (17062, 1248606), (17586, 1211402), (18563, 1147644), (24282, 877346), (25593, 832404), (31879, 668268), (34124, 624303), (35172, 605701), (37126, 573822), (48564, 438673), (51186, 416202), (55689, 382548), (63758, 334134), (69367, 307116), (74252, 286911), (76779, 277468), (95637, 222756), (102372, 208101), (111378, 191274), (127516, 167067), (138734, 153558)]