21098214

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 47661120

約数和(自身を除く): 26562906

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 79, 111, 158, 222, 237, 333, 401, 474, 666, 711, 802, 1203, 1422, 2406, 2923, 3609, 5846, 7218, 8769, 14837, 17538, 26307, 29674, 31679, 44511, 52614, 63358, 89022, 95037, 133533, 190074, 267066, 285111, 570222, 1172123, 2344246, 3516369, 7032738, 10549107, 21098214]

約数ペア:

[(1, 21098214), (2, 10549107), (3, 7032738), (6, 3516369), (9, 2344246), (18, 1172123), (37, 570222), (74, 285111), (79, 267066), (111, 190074), (158, 133533), (222, 95037), (237, 89022), (333, 63358), (401, 52614), (474, 44511), (666, 31679), (711, 29674), (802, 26307), (1203, 17538), (1422, 14837), (2406, 8769), (2923, 7218), (3609, 5846)]