21264984

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7573}}^1$

素因数の和:7601

約数の個数: 64

約数和(自身を含む): 63621600

約数和(自身を除く): 42356616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7573, 15146, 22719, 30292, 45438, 60584, 68157, 90876, 98449, 136314, 181752, 196898, 204471, 272628, 295347, 393796, 408942, 545256, 590694, 787592, 817884, 886041, 1181388, 1635768, 1772082, 2362776, 2658123, 3544164, 5316246, 7088328, 10632492, 21264984]

約数ペア:

[(1, 21264984), (2, 10632492), (3, 7088328), (4, 5316246), (6, 3544164), (8, 2658123), (9, 2362776), (12, 1772082), (13, 1635768), (18, 1181388), (24, 886041), (26, 817884), (27, 787592), (36, 590694), (39, 545256), (52, 408942), (54, 393796), (72, 295347), (78, 272628), (104, 204471), (108, 196898), (117, 181752), (156, 136314), (216, 98449), (234, 90876), (312, 68157), (351, 60584), (468, 45438), (702, 30292), (936, 22719), (1404, 15146), (2808, 7573)]