21490410256

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10098877}}^1$

素因数の和:10098911

約数の個数: 40

約数和(自身を含む): 50090434880

約数和(自身を除く): 28600024624

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 10098877, 20197754, 40395508, 70692139, 80791016, 141384278, 161582032, 191878663, 282768556, 383757326, 565537112, 767514652, 1131074224, 1343150641, 1535029304, 2686301282, 3070058608, 5372602564, 10745205128, 21490410256]

約数ペア:

[(1, 21490410256), (2, 10745205128), (4, 5372602564), (7, 3070058608), (8, 2686301282), (14, 1535029304), (16, 1343150641), (19, 1131074224), (28, 767514652), (38, 565537112), (56, 383757326), (76, 282768556), (112, 191878663), (133, 161582032), (152, 141384278), (266, 80791016), (304, 70692139), (532, 40395508), (1064, 20197754), (2128, 10098877)]