21375144

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:300

約数の個数: 128

約数和(自身を含む): 69196800

約数和(自身を除く): 47821656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 67, 72, 84, 108, 126, 134, 168, 189, 201, 211, 216, 252, 268, 378, 402, 422, 469, 504, 536, 603, 633, 756, 804, 844, 938, 1206, 1266, 1407, 1477, 1512, 1608, 1688, 1809, 1876, 1899, 2412, 2532, 2814, 2954, 3618, 3752, 3798, 4221, 4431, 4824, 5064, 5628, 5697, 5908, 7236, 7596, 8442, 8862, 11256, 11394, 11816, 12663, 13293, 14137, 14472, 15192, 16884, 17724, 22788, 25326, 26586, 28274, 33768, 35448, 39879, 42411, 45576, 50652, 53172, 56548, 79758, 84822, 98959, 101304, 106344, 113096, 127233, 159516, 169644, 197918, 254466, 296877, 319032, 339288, 381699, 395836, 508932, 593754, 763398, 791672, 890631, 1017864, 1187508, 1526796, 1781262, 2375016, 2671893, 3053592, 3562524, 5343786, 7125048, 10687572, 21375144]

約数ペア:

[(1, 21375144), (2, 10687572), (3, 7125048), (4, 5343786), (6, 3562524), (7, 3053592), (8, 2671893), (9, 2375016), (12, 1781262), (14, 1526796), (18, 1187508), (21, 1017864), (24, 890631), (27, 791672), (28, 763398), (36, 593754), (42, 508932), (54, 395836), (56, 381699), (63, 339288), (67, 319032), (72, 296877), (84, 254466), (108, 197918), (126, 169644), (134, 159516), (168, 127233), (189, 113096), (201, 106344), (211, 101304), (216, 98959), (252, 84822), (268, 79758), (378, 56548), (402, 53172), (422, 50652), (469, 45576), (504, 42411), (536, 39879), (603, 35448), (633, 33768), (756, 28274), (804, 26586), (844, 25326), (938, 22788), (1206, 17724), (1266, 16884), (1407, 15192), (1477, 14472), (1512, 14137), (1608, 13293), (1688, 12663), (1809, 11816), (1876, 11394), (1899, 11256), (2412, 8862), (2532, 8442), (2814, 7596), (2954, 7236), (3618, 5908), (3752, 5697), (3798, 5628), (4221, 5064), (4431, 4824)]