21200168

素因数分解:

$2^3\times {\mathrm{11}}^4\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 40

約数和(自身を含む): 43966650

約数和(自身を除く): 22766482

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 181, 242, 362, 484, 724, 968, 1331, 1448, 1991, 2662, 3982, 5324, 7964, 10648, 14641, 15928, 21901, 29282, 43802, 58564, 87604, 117128, 175208, 240911, 481822, 963644, 1927288, 2650021, 5300042, 10600084, 21200168]

約数ペア:

[(1, 21200168), (2, 10600084), (4, 5300042), (8, 2650021), (11, 1927288), (22, 963644), (44, 481822), (88, 240911), (121, 175208), (181, 117128), (242, 87604), (362, 58564), (484, 43802), (724, 29282), (968, 21901), (1331, 15928), (1448, 14641), (1991, 10648), (2662, 7964), (3982, 5324)]