21293928

素因数分解:

$2^3\times 3^4\times {\mathrm{17}}^1\times {\mathrm{1933}}^1$

素因数の和:1968

約数の個数: 80

約数和(自身を含む): 63183780

約数和(自身を除く): 41889852

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 204, 216, 306, 324, 408, 459, 612, 648, 918, 1224, 1377, 1836, 1933, 2754, 3672, 3866, 5508, 5799, 7732, 11016, 11598, 15464, 17397, 23196, 32861, 34794, 46392, 52191, 65722, 69588, 98583, 104382, 131444, 139176, 156573, 197166, 208764, 262888, 295749, 313146, 394332, 417528, 591498, 626292, 788664, 887247, 1182996, 1252584, 1774494, 2365992, 2661741, 3548988, 5323482, 7097976, 10646964, 21293928]

約数ペア:

[(1, 21293928), (2, 10646964), (3, 7097976), (4, 5323482), (6, 3548988), (8, 2661741), (9, 2365992), (12, 1774494), (17, 1252584), (18, 1182996), (24, 887247), (27, 788664), (34, 626292), (36, 591498), (51, 417528), (54, 394332), (68, 313146), (72, 295749), (81, 262888), (102, 208764), (108, 197166), (136, 156573), (153, 139176), (162, 131444), (204, 104382), (216, 98583), (306, 69588), (324, 65722), (408, 52191), (459, 46392), (612, 34794), (648, 32861), (918, 23196), (1224, 17397), (1377, 15464), (1836, 11598), (1933, 11016), (2754, 7732), (3672, 5799), (3866, 5508)]