21436712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12821}}^1$

素因数の和:12857

約数の個数: 32

約数和(自身を含む): 46159200

約数和(自身を除く): 24722488

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12821, 25642, 51284, 102568, 141031, 243599, 282062, 487198, 564124, 974396, 1128248, 1948792, 2679589, 5359178, 10718356, 21436712]

約数ペア:

[(1, 21436712), (2, 10718356), (4, 5359178), (8, 2679589), (11, 1948792), (19, 1128248), (22, 974396), (38, 564124), (44, 487198), (76, 282062), (88, 243599), (152, 141031), (209, 102568), (418, 51284), (836, 25642), (1672, 12821)]