21281376

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{7151}}^1$

素因数の和:7195

約数の個数: 48

約数和(自身を含む): 57673728

約数和(自身を除く): 36392352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 992, 1488, 2976, 7151, 14302, 21453, 28604, 42906, 57208, 85812, 114416, 171624, 221681, 228832, 343248, 443362, 665043, 686496, 886724, 1330086, 1773448, 2660172, 3546896, 5320344, 7093792, 10640688, 21281376]

約数ペア:

[(1, 21281376), (2, 10640688), (3, 7093792), (4, 5320344), (6, 3546896), (8, 2660172), (12, 1773448), (16, 1330086), (24, 886724), (31, 686496), (32, 665043), (48, 443362), (62, 343248), (93, 228832), (96, 221681), (124, 171624), (186, 114416), (248, 85812), (372, 57208), (496, 42906), (744, 28604), (992, 21453), (1488, 14302), (2976, 7151)]