21892910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2029}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 42971040

約数和(自身を除く): 21078130

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 2029, 2158, 4058, 5395, 10145, 10790, 20290, 26377, 52754, 131885, 168407, 263770, 336814, 842035, 1684070, 2189291, 4378582, 10946455, 21892910]

約数ペア:

[(1, 21892910), (2, 10946455), (5, 4378582), (10, 2189291), (13, 1684070), (26, 842035), (65, 336814), (83, 263770), (130, 168407), (166, 131885), (415, 52754), (830, 26377), (1079, 20290), (2029, 10790), (2158, 10145), (4058, 5395)]