21000687213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1080449}}^1$

素因数の和:1080513

約数の個数: 32

約数和(自身を含む): 33191424000

約数和(自身を除く): 12190736787

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 209, 341, 589, 627, 1023, 1767, 6479, 19437, 1080449, 3241347, 11884939, 20528531, 33493919, 35654817, 61585593, 100481757, 225813841, 368433109, 636384461, 677441523, 1105299327, 1909153383, 7000229071, 21000687213]

約数ペア:

[(1, 21000687213), (3, 7000229071), (11, 1909153383), (19, 1105299327), (31, 677441523), (33, 636384461), (57, 368433109), (93, 225813841), (209, 100481757), (341, 61585593), (589, 35654817), (627, 33493919), (1023, 20528531), (1767, 11884939), (6479, 3241347), (19437, 1080449)]