21993540338

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{25219}}^1$

素因数の和:26055

約数の個数: 48

約数和(自身を含む): 41918666400

約数和(自身を除く): 19925126062

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 809, 1078, 1618, 5663, 8899, 11326, 17798, 25219, 39641, 50438, 62293, 79282, 124586, 176533, 277409, 353066, 436051, 554818, 872102, 1235731, 1941863, 2471462, 3883726, 13593041, 20402171, 27186082, 40804342, 142815197, 224423881, 285630394, 448847762, 999706379, 1570967167, 1999412758, 3141934334, 10996770169, 21993540338]

約数ペア:

[(1, 21993540338), (2, 10996770169), (7, 3141934334), (11, 1999412758), (14, 1570967167), (22, 999706379), (49, 448847762), (77, 285630394), (98, 224423881), (154, 142815197), (539, 40804342), (809, 27186082), (1078, 20402171), (1618, 13593041), (5663, 3883726), (8899, 2471462), (11326, 1941863), (17798, 1235731), (25219, 872102), (39641, 554818), (50438, 436051), (62293, 353066), (79282, 277409), (124586, 176533)]