21980346

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 23379654

約数列:

[1, 2, 3, 6, 41, 82, 123, 199, 246, 398, 449, 597, 898, 1194, 1347, 2694, 8159, 16318, 18409, 24477, 36818, 48954, 55227, 89351, 110454, 178702, 268053, 536106, 3663391, 7326782, 10990173, 21980346]

約数ペア:

[(1, 21980346), (2, 10990173), (3, 7326782), (6, 3663391), (41, 536106), (82, 268053), (123, 178702), (199, 110454), (246, 89351), (398, 55227), (449, 48954), (597, 36818), (898, 24477), (1194, 18409), (1347, 16318), (2694, 8159)]