21194694

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 47392800

約数和(自身を除く): 26198106

約数列:

[1, 2, 3, 6, 9, 18, 61, 97, 122, 183, 194, 199, 291, 366, 398, 549, 582, 597, 873, 1098, 1194, 1746, 1791, 3582, 5917, 11834, 12139, 17751, 19303, 24278, 35502, 36417, 38606, 53253, 57909, 72834, 106506, 109251, 115818, 173727, 218502, 347454, 1177483, 2354966, 3532449, 7064898, 10597347, 21194694]

約数ペア:

[(1, 21194694), (2, 10597347), (3, 7064898), (6, 3532449), (9, 2354966), (18, 1177483), (61, 347454), (97, 218502), (122, 173727), (183, 115818), (194, 109251), (199, 106506), (291, 72834), (366, 57909), (398, 53253), (549, 38606), (582, 36417), (597, 35502), (873, 24278), (1098, 19303), (1194, 17751), (1746, 12139), (1791, 11834), (3582, 5917)]