21307528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{14243}}^1$

素因数の和:14277

約数の個数: 32

約数和(自身を含む): 46150560

約数和(自身を除く): 24843032

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 14243, 28486, 56972, 113944, 156673, 242131, 313346, 484262, 626692, 968524, 1253384, 1937048, 2663441, 5326882, 10653764, 21307528]

約数ペア:

[(1, 21307528), (2, 10653764), (4, 5326882), (8, 2663441), (11, 1937048), (17, 1253384), (22, 968524), (34, 626692), (44, 484262), (68, 313346), (88, 242131), (136, 156673), (187, 113944), (374, 56972), (748, 28486), (1496, 14243)]