21536576

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 56

約数和(自身を含む): 45720000

約数和(自身を除く): 24183424

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 89, 152, 178, 199, 304, 356, 398, 608, 712, 796, 1216, 1424, 1592, 1691, 2848, 3184, 3382, 3781, 5696, 6368, 6764, 7562, 12736, 13528, 15124, 17711, 27056, 30248, 35422, 54112, 60496, 70844, 108224, 120992, 141688, 241984, 283376, 336509, 566752, 673018, 1133504, 1346036, 2692072, 5384144, 10768288, 21536576]

約数ペア:

[(1, 21536576), (2, 10768288), (4, 5384144), (8, 2692072), (16, 1346036), (19, 1133504), (32, 673018), (38, 566752), (64, 336509), (76, 283376), (89, 241984), (152, 141688), (178, 120992), (199, 108224), (304, 70844), (356, 60496), (398, 54112), (608, 35422), (712, 30248), (796, 27056), (1216, 17711), (1424, 15124), (1592, 13528), (1691, 12736), (2848, 7562), (3184, 6764), (3382, 6368), (3781, 5696)]