21585438

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1051}}^1$

素因数の和:1229

約数の個数: 48

約数和(自身を含む): 53828736

約数和(自身を除く): 32243298

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 163, 326, 489, 978, 1051, 1141, 1467, 2102, 2282, 2934, 3153, 3423, 6306, 6846, 7357, 9459, 10269, 14714, 18918, 20538, 22071, 44142, 66213, 132426, 171313, 342626, 513939, 1027878, 1199191, 1541817, 2398382, 3083634, 3597573, 7195146, 10792719, 21585438]

約数ペア:

[(1, 21585438), (2, 10792719), (3, 7195146), (6, 3597573), (7, 3083634), (9, 2398382), (14, 1541817), (18, 1199191), (21, 1027878), (42, 513939), (63, 342626), (126, 171313), (163, 132426), (326, 66213), (489, 44142), (978, 22071), (1051, 20538), (1141, 18918), (1467, 14714), (2102, 10269), (2282, 9459), (2934, 7357), (3153, 6846), (3423, 6306)]