21365616

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{7297}}^1$

素因数の和:7369

約数の個数: 40

約数和(自身を含む): 56107024

約数和(自身を除く): 34741408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 7297, 14594, 21891, 29188, 43782, 58376, 87564, 116752, 175128, 350256, 445117, 890234, 1335351, 1780468, 2670702, 3560936, 5341404, 7121872, 10682808, 21365616]

約数ペア:

[(1, 21365616), (2, 10682808), (3, 7121872), (4, 5341404), (6, 3560936), (8, 2670702), (12, 1780468), (16, 1335351), (24, 890234), (48, 445117), (61, 350256), (122, 175128), (183, 116752), (244, 87564), (366, 58376), (488, 43782), (732, 29188), (976, 21891), (1464, 14594), (2928, 7297)]