21267510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{223}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 59415552

約数和(自身を除く): 38148042

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 51, 55, 66, 85, 102, 110, 165, 170, 187, 223, 255, 289, 330, 374, 446, 510, 561, 578, 669, 867, 935, 1115, 1122, 1338, 1445, 1734, 1870, 2230, 2453, 2805, 2890, 3179, 3345, 3791, 4335, 4906, 5610, 6358, 6690, 7359, 7582, 8670, 9537, 11373, 12265, 14718, 15895, 18955, 19074, 22746, 24530, 31790, 36795, 37910, 41701, 47685, 56865, 64447, 73590, 83402, 95370, 113730, 125103, 128894, 193341, 208505, 250206, 322235, 386682, 417010, 625515, 644470, 708917, 966705, 1251030, 1417834, 1933410, 2126751, 3544585, 4253502, 7089170, 10633755, 21267510]

約数ペア:

[(1, 21267510), (2, 10633755), (3, 7089170), (5, 4253502), (6, 3544585), (10, 2126751), (11, 1933410), (15, 1417834), (17, 1251030), (22, 966705), (30, 708917), (33, 644470), (34, 625515), (51, 417010), (55, 386682), (66, 322235), (85, 250206), (102, 208505), (110, 193341), (165, 128894), (170, 125103), (187, 113730), (223, 95370), (255, 83402), (289, 73590), (330, 64447), (374, 56865), (446, 47685), (510, 41701), (561, 37910), (578, 36795), (669, 31790), (867, 24530), (935, 22746), (1115, 19074), (1122, 18955), (1338, 15895), (1445, 14718), (1734, 12265), (1870, 11373), (2230, 9537), (2453, 8670), (2805, 7582), (2890, 7359), (3179, 6690), (3345, 6358), (3791, 5610), (4335, 4906)]