21816709656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{543353}}^1$

素因数の和:543608

約数の個数: 64

約数和(自身を含む): 62594380800

約数和(自身を除く): 40777671144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 239, 478, 717, 956, 1434, 1673, 1912, 2868, 3346, 5019, 5736, 6692, 10038, 13384, 20076, 40152, 543353, 1086706, 1630059, 2173412, 3260118, 3803471, 4346824, 6520236, 7606942, 11410413, 13040472, 15213884, 22820826, 30427768, 45641652, 91283304, 129861367, 259722734, 389584101, 519445468, 779168202, 909029569, 1038890936, 1558336404, 1818059138, 2727088707, 3116672808, 3636118276, 5454177414, 7272236552, 10908354828, 21816709656]

約数ペア:

[(1, 21816709656), (2, 10908354828), (3, 7272236552), (4, 5454177414), (6, 3636118276), (7, 3116672808), (8, 2727088707), (12, 1818059138), (14, 1558336404), (21, 1038890936), (24, 909029569), (28, 779168202), (42, 519445468), (56, 389584101), (84, 259722734), (168, 129861367), (239, 91283304), (478, 45641652), (717, 30427768), (956, 22820826), (1434, 15213884), (1673, 13040472), (1912, 11410413), (2868, 7606942), (3346, 6520236), (5019, 4346824), (5736, 3803471), (6692, 3260118), (10038, 2173412), (13384, 1630059), (20076, 1086706), (40152, 543353)]