21000570652

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1\times {\mathrm{2963}}^1$

素因数の和:3562

約数の個数: 48

約数和(自身を含む): 38123205120

約数和(自身を除く): 17122634468

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 463, 926, 1852, 2963, 3827, 5926, 7654, 11852, 15308, 19909, 39818, 41207, 79636, 82414, 127409, 164828, 254818, 263707, 509636, 527414, 1054828, 1371869, 1771901, 2743738, 3543802, 5487476, 7087604, 11339401, 22678802, 45357604, 58990367, 117980734, 122096341, 235961468, 244192682, 488385364, 5250142663, 10500285326, 21000570652]

約数ペア:

[(1, 21000570652), (2, 10500285326), (4, 5250142663), (43, 488385364), (86, 244192682), (89, 235961468), (172, 122096341), (178, 117980734), (356, 58990367), (463, 45357604), (926, 22678802), (1852, 11339401), (2963, 7087604), (3827, 5487476), (5926, 3543802), (7654, 2743738), (11852, 1771901), (15308, 1371869), (19909, 1054828), (39818, 527414), (41207, 509636), (79636, 263707), (82414, 254818), (127409, 164828)]