21297936

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 120

約数和(自身を含む): 63988960

約数和(自身を除く): 42691024

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 121, 132, 152, 176, 193, 209, 228, 242, 264, 304, 363, 386, 418, 456, 484, 528, 579, 627, 726, 772, 836, 912, 968, 1158, 1254, 1452, 1544, 1672, 1936, 2123, 2299, 2316, 2508, 2904, 3088, 3344, 3667, 4246, 4598, 4632, 5016, 5808, 6369, 6897, 7334, 8492, 9196, 9264, 10032, 11001, 12738, 13794, 14668, 16984, 18392, 22002, 23353, 25476, 27588, 29336, 33968, 36784, 40337, 44004, 46706, 50952, 55176, 58672, 70059, 80674, 88008, 93412, 101904, 110352, 121011, 140118, 161348, 176016, 186824, 242022, 280236, 322696, 373648, 443707, 484044, 560472, 645392, 887414, 968088, 1120944, 1331121, 1774828, 1936176, 2662242, 3549656, 5324484, 7099312, 10648968, 21297936]

約数ペア:

[(1, 21297936), (2, 10648968), (3, 7099312), (4, 5324484), (6, 3549656), (8, 2662242), (11, 1936176), (12, 1774828), (16, 1331121), (19, 1120944), (22, 968088), (24, 887414), (33, 645392), (38, 560472), (44, 484044), (48, 443707), (57, 373648), (66, 322696), (76, 280236), (88, 242022), (114, 186824), (121, 176016), (132, 161348), (152, 140118), (176, 121011), (193, 110352), (209, 101904), (228, 93412), (242, 88008), (264, 80674), (304, 70059), (363, 58672), (386, 55176), (418, 50952), (456, 46706), (484, 44004), (528, 40337), (579, 36784), (627, 33968), (726, 29336), (772, 27588), (836, 25476), (912, 23353), (968, 22002), (1158, 18392), (1254, 16984), (1452, 14668), (1544, 13794), (1672, 12738), (1936, 11001), (2123, 10032), (2299, 9264), (2316, 9196), (2508, 8492), (2904, 7334), (3088, 6897), (3344, 6369), (3667, 5808), (4246, 5016), (4598, 4632)]