21438984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3449}}^1$

素因数の和:3502

約数の個数: 64

約数和(自身を含む): 62928000

約数和(自身を除く): 41489016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3449, 6216, 6898, 10347, 13796, 20694, 24143, 27592, 41388, 48286, 72429, 82776, 96572, 127613, 144858, 193144, 255226, 289716, 382839, 510452, 579432, 765678, 893291, 1020904, 1531356, 1786582, 2679873, 3062712, 3573164, 5359746, 7146328, 10719492, 21438984]

約数ペア:

[(1, 21438984), (2, 10719492), (3, 7146328), (4, 5359746), (6, 3573164), (7, 3062712), (8, 2679873), (12, 1786582), (14, 1531356), (21, 1020904), (24, 893291), (28, 765678), (37, 579432), (42, 510452), (56, 382839), (74, 289716), (84, 255226), (111, 193144), (148, 144858), (168, 127613), (222, 96572), (259, 82776), (296, 72429), (444, 48286), (518, 41388), (777, 27592), (888, 24143), (1036, 20694), (1554, 13796), (2072, 10347), (3108, 6898), (3449, 6216)]