21007156672

素因数分解:

$2^6\times {\mathrm{109}}^1\times {\mathrm{683}}^1\times {\mathrm{4409}}^1$

素因数の和:5213

約数の個数: 56

約数和(自身を含む): 42139666800

約数和(自身を除く): 21132510128

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 218, 436, 683, 872, 1366, 1744, 2732, 3488, 4409, 5464, 6976, 8818, 10928, 17636, 21856, 35272, 43712, 70544, 74447, 141088, 148894, 282176, 297788, 480581, 595576, 961162, 1191152, 1922324, 2382304, 3011347, 3844648, 4764608, 6022694, 7689296, 12045388, 15378592, 24090776, 30757184, 48181552, 96363104, 192726208, 328236823, 656473646, 1312947292, 2625894584, 5251789168, 10503578336, 21007156672]

約数ペア:

[(1, 21007156672), (2, 10503578336), (4, 5251789168), (8, 2625894584), (16, 1312947292), (32, 656473646), (64, 328236823), (109, 192726208), (218, 96363104), (436, 48181552), (683, 30757184), (872, 24090776), (1366, 15378592), (1744, 12045388), (2732, 7689296), (3488, 6022694), (4409, 4764608), (5464, 3844648), (6976, 3011347), (8818, 2382304), (10928, 1922324), (17636, 1191152), (21856, 961162), (35272, 595576), (43712, 480581), (70544, 297788), (74447, 282176), (141088, 148894)]