21362922

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:532

約数の個数: 72

約数和(自身を含む): 54979236

約数和(自身を除く): 33616314

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 53, 63, 98, 106, 126, 147, 159, 294, 318, 371, 441, 457, 477, 742, 882, 914, 954, 1113, 1371, 2226, 2597, 2742, 3199, 3339, 4113, 5194, 6398, 6678, 7791, 8226, 9597, 15582, 19194, 22393, 23373, 24221, 28791, 44786, 46746, 48442, 57582, 67179, 72663, 134358, 145326, 169547, 201537, 217989, 339094, 403074, 435978, 508641, 1017282, 1186829, 1525923, 2373658, 3051846, 3560487, 7120974, 10681461, 21362922]

約数ペア:

[(1, 21362922), (2, 10681461), (3, 7120974), (6, 3560487), (7, 3051846), (9, 2373658), (14, 1525923), (18, 1186829), (21, 1017282), (42, 508641), (49, 435978), (53, 403074), (63, 339094), (98, 217989), (106, 201537), (126, 169547), (147, 145326), (159, 134358), (294, 72663), (318, 67179), (371, 57582), (441, 48442), (457, 46746), (477, 44786), (742, 28791), (882, 24221), (914, 23373), (954, 22393), (1113, 19194), (1371, 15582), (2226, 9597), (2597, 8226), (2742, 7791), (3199, 6678), (3339, 6398), (4113, 5194)]