21350448

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:439

約数の個数: 120

約数和(自身を含む): 69638400

約数和(自身を除く): 48287952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 59, 63, 72, 84, 112, 118, 126, 144, 168, 177, 236, 252, 336, 354, 359, 413, 472, 504, 531, 708, 718, 826, 944, 1008, 1062, 1077, 1239, 1416, 1436, 1652, 2124, 2154, 2478, 2513, 2832, 2872, 3231, 3304, 3717, 4248, 4308, 4956, 5026, 5744, 6462, 6608, 7434, 7539, 8496, 8616, 9912, 10052, 12924, 14868, 15078, 17232, 19824, 20104, 21181, 22617, 25848, 29736, 30156, 40208, 42362, 45234, 51696, 59472, 60312, 63543, 84724, 90468, 120624, 127086, 148267, 169448, 180936, 190629, 254172, 296534, 338896, 361872, 381258, 444801, 508344, 593068, 762516, 889602, 1016688, 1186136, 1334403, 1525032, 1779204, 2372272, 2668806, 3050064, 3558408, 5337612, 7116816, 10675224, 21350448]

約数ペア:

[(1, 21350448), (2, 10675224), (3, 7116816), (4, 5337612), (6, 3558408), (7, 3050064), (8, 2668806), (9, 2372272), (12, 1779204), (14, 1525032), (16, 1334403), (18, 1186136), (21, 1016688), (24, 889602), (28, 762516), (36, 593068), (42, 508344), (48, 444801), (56, 381258), (59, 361872), (63, 338896), (72, 296534), (84, 254172), (112, 190629), (118, 180936), (126, 169448), (144, 148267), (168, 127086), (177, 120624), (236, 90468), (252, 84724), (336, 63543), (354, 60312), (359, 59472), (413, 51696), (472, 45234), (504, 42362), (531, 40208), (708, 30156), (718, 29736), (826, 25848), (944, 22617), (1008, 21181), (1062, 20104), (1077, 19824), (1239, 17232), (1416, 15078), (1436, 14868), (1652, 12924), (2124, 10052), (2154, 9912), (2478, 8616), (2513, 8496), (2832, 7539), (2872, 7434), (3231, 6608), (3304, 6462), (3717, 5744), (4248, 5026), (4308, 4956)]