21591024

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4943}}^1$

素因数の和:4974

約数の個数: 80

約数和(自身を含む): 68662272

約数和(自身を除く): 47071248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 4943, 9886, 14829, 19772, 29658, 34601, 39544, 59316, 64259, 69202, 79088, 103803, 118632, 128518, 138404, 192777, 207606, 237264, 257036, 276808, 385554, 415212, 449813, 514072, 553616, 771108, 830424, 899626, 1028144, 1349439, 1542216, 1660848, 1799252, 2698878, 3084432, 3598504, 5397756, 7197008, 10795512, 21591024]

約数ペア:

[(1, 21591024), (2, 10795512), (3, 7197008), (4, 5397756), (6, 3598504), (7, 3084432), (8, 2698878), (12, 1799252), (13, 1660848), (14, 1542216), (16, 1349439), (21, 1028144), (24, 899626), (26, 830424), (28, 771108), (39, 553616), (42, 514072), (48, 449813), (52, 415212), (56, 385554), (78, 276808), (84, 257036), (91, 237264), (104, 207606), (112, 192777), (156, 138404), (168, 128518), (182, 118632), (208, 103803), (273, 79088), (312, 69202), (336, 64259), (364, 59316), (546, 39544), (624, 34601), (728, 29658), (1092, 19772), (1456, 14829), (2184, 9886), (4368, 4943)]