21210864

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{2711}}^1$

素因数の和:2885

約数の個数: 40

約数和(自身を含む): 55151232

約数和(自身を除く): 33940368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 2711, 3912, 5422, 7824, 8133, 10844, 16266, 21688, 32532, 43376, 65064, 130128, 441893, 883786, 1325679, 1767572, 2651358, 3535144, 5302716, 7070288, 10605432, 21210864]

約数ペア:

[(1, 21210864), (2, 10605432), (3, 7070288), (4, 5302716), (6, 3535144), (8, 2651358), (12, 1767572), (16, 1325679), (24, 883786), (48, 441893), (163, 130128), (326, 65064), (489, 43376), (652, 32532), (978, 21688), (1304, 16266), (1956, 10844), (2608, 8133), (2711, 7824), (3912, 5422)]