21502728

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22973}}^1$

素因数の和:22998

約数の個数: 48

約数和(自身を含む): 62719020

約数和(自身を除く): 41216292

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22973, 45946, 68919, 91892, 137838, 183784, 206757, 275676, 298649, 413514, 551352, 597298, 827028, 895947, 1194596, 1654056, 1791894, 2389192, 2687841, 3583788, 5375682, 7167576, 10751364, 21502728]

約数ペア:

[(1, 21502728), (2, 10751364), (3, 7167576), (4, 5375682), (6, 3583788), (8, 2687841), (9, 2389192), (12, 1791894), (13, 1654056), (18, 1194596), (24, 895947), (26, 827028), (36, 597298), (39, 551352), (52, 413514), (72, 298649), (78, 275676), (104, 206757), (117, 183784), (156, 137838), (234, 91892), (312, 68919), (468, 45946), (936, 22973)]