21397194

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13063}}^1$

素因数の和:13091

約数の個数: 48

約数和(自身を含む): 57063552

約数和(自身を除く): 35666358

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, 13063, 26126, 39189, 78378, 91441, 117567, 169819, 182882, 235134, 274323, 339638, 509457, 548646, 822969, 1018914, 1188733, 1528371, 1645938, 2377466, 3056742, 3566199, 7132398, 10698597, 21397194]

約数ペア:

[(1, 21397194), (2, 10698597), (3, 7132398), (6, 3566199), (7, 3056742), (9, 2377466), (13, 1645938), (14, 1528371), (18, 1188733), (21, 1018914), (26, 822969), (39, 548646), (42, 509457), (63, 339638), (78, 274323), (91, 235134), (117, 182882), (126, 169819), (182, 117567), (234, 91441), (273, 78378), (546, 39189), (819, 26126), (1638, 13063)]