21061416

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 54331200

約数和(自身を除く): 33269784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 97, 109, 166, 194, 218, 249, 291, 327, 332, 388, 436, 498, 582, 654, 664, 776, 872, 996, 1164, 1308, 1992, 2328, 2616, 8051, 9047, 10573, 16102, 18094, 21146, 24153, 27141, 31719, 32204, 36188, 42292, 48306, 54282, 63438, 64408, 72376, 84584, 96612, 108564, 126876, 193224, 217128, 253752, 877559, 1755118, 2632677, 3510236, 5265354, 7020472, 10530708, 21061416]

約数ペア:

[(1, 21061416), (2, 10530708), (3, 7020472), (4, 5265354), (6, 3510236), (8, 2632677), (12, 1755118), (24, 877559), (83, 253752), (97, 217128), (109, 193224), (166, 126876), (194, 108564), (218, 96612), (249, 84584), (291, 72376), (327, 64408), (332, 63438), (388, 54282), (436, 48306), (498, 42292), (582, 36188), (654, 32204), (664, 31719), (776, 27141), (872, 24153), (996, 21146), (1164, 18094), (1308, 16102), (1992, 10573), (2328, 9047), (2616, 8051)]