21743892

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 57238272

約数和(自身を除く): 35494380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 71, 94, 141, 142, 181, 188, 213, 282, 284, 362, 423, 426, 543, 564, 639, 724, 846, 852, 1086, 1278, 1629, 1692, 2172, 2556, 3258, 3337, 6516, 6674, 8507, 10011, 12851, 13348, 17014, 20022, 25521, 25702, 30033, 34028, 38553, 40044, 51042, 51404, 60066, 76563, 77106, 102084, 115659, 120132, 153126, 154212, 231318, 306252, 462636, 603997, 1207994, 1811991, 2415988, 3623982, 5435973, 7247964, 10871946, 21743892]

約数ペア:

[(1, 21743892), (2, 10871946), (3, 7247964), (4, 5435973), (6, 3623982), (9, 2415988), (12, 1811991), (18, 1207994), (36, 603997), (47, 462636), (71, 306252), (94, 231318), (141, 154212), (142, 153126), (181, 120132), (188, 115659), (213, 102084), (282, 77106), (284, 76563), (362, 60066), (423, 51404), (426, 51042), (543, 40044), (564, 38553), (639, 34028), (724, 30033), (846, 25702), (852, 25521), (1086, 20022), (1278, 17014), (1629, 13348), (1692, 12851), (2172, 10011), (2556, 8507), (3258, 6674), (3337, 6516)]