16921988664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2143109}}^1$

素因数の和:2143172

約数の個数: 64

約数和(自身を含む): 49377254400

約数和(自身を除く): 32455265736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 141, 168, 188, 282, 329, 376, 564, 658, 987, 1128, 1316, 1974, 2632, 3948, 7896, 2143109, 4286218, 6429327, 8572436, 12858654, 15001763, 17144872, 25717308, 30003526, 45005289, 51434616, 60007052, 90010578, 100726123, 120014104, 180021156, 201452246, 302178369, 360042312, 402904492, 604356738, 705082861, 805808984, 1208713476, 1410165722, 2115248583, 2417426952, 2820331444, 4230497166, 5640662888, 8460994332, 16921988664]

約数ペア:

[(1, 16921988664), (2, 8460994332), (3, 5640662888), (4, 4230497166), (6, 2820331444), (7, 2417426952), (8, 2115248583), (12, 1410165722), (14, 1208713476), (21, 805808984), (24, 705082861), (28, 604356738), (42, 402904492), (47, 360042312), (56, 302178369), (84, 201452246), (94, 180021156), (141, 120014104), (168, 100726123), (188, 90010578), (282, 60007052), (329, 51434616), (376, 45005289), (564, 30003526), (658, 25717308), (987, 17144872), (1128, 15001763), (1316, 12858654), (1974, 8572436), (2632, 6429327), (3948, 4286218), (7896, 2143109)]