21567528

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4219}}^1$

素因数の和:4302

約数の個数: 48

約数和(自身を含む): 59248800

約数和(自身を除く): 37681272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 4219, 5112, 8438, 12657, 16876, 25314, 33752, 37971, 50628, 75942, 101256, 151884, 299549, 303768, 599098, 898647, 1198196, 1797294, 2396392, 2695941, 3594588, 5391882, 7189176, 10783764, 21567528]

約数ペア:

[(1, 21567528), (2, 10783764), (3, 7189176), (4, 5391882), (6, 3594588), (8, 2695941), (9, 2396392), (12, 1797294), (18, 1198196), (24, 898647), (36, 599098), (71, 303768), (72, 299549), (142, 151884), (213, 101256), (284, 75942), (426, 50628), (568, 37971), (639, 33752), (852, 25314), (1278, 16876), (1704, 12657), (2556, 8438), (4219, 5112)]