21305466

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13007}}^1$

素因数の和:13035

約数の個数: 48

約数和(自身を含む): 56818944

約数和(自身を除く): 35513478

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 13007, 26014, 39021, 78042, 91049, 117063, 169091, 182098, 234126, 273147, 338182, 507273, 546294, 819441, 1014546, 1183637, 1521819, 1638882, 2367274, 3043638, 3550911, 7101822, 10652733, 21305466]

約数ペア:

[(1, 21305466), (2, 10652733), (3, 7101822), (6, 3550911), (7, 3043638), (9, 2367274), (13, 1638882), (14, 1521819), (18, 1183637), (21, 1014546), (26, 819441), (39, 546294), (42, 507273), (63, 338182), (78, 273147), (91, 234126), (117, 182098), (126, 169091), (182, 117063), (234, 91049), (273, 78042), (546, 39021), (819, 26014), (1638, 13007)]