21427848

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^2\times {\mathrm{587}}^1$

素因数の和:628

約数の個数: 96

約数和(自身を含む): 64562400

約数和(自身を除く): 43134552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 169, 216, 234, 312, 338, 351, 468, 507, 587, 676, 702, 936, 1014, 1174, 1352, 1404, 1521, 1761, 2028, 2348, 2808, 3042, 3522, 4056, 4563, 4696, 5283, 6084, 7044, 7631, 9126, 10566, 12168, 14088, 15262, 15849, 18252, 21132, 22893, 30524, 31698, 36504, 42264, 45786, 61048, 63396, 68679, 91572, 99203, 126792, 137358, 183144, 198406, 206037, 274716, 297609, 396812, 412074, 549432, 595218, 793624, 824148, 892827, 1190436, 1648296, 1785654, 2380872, 2678481, 3571308, 5356962, 7142616, 10713924, 21427848]

約数ペア:

[(1, 21427848), (2, 10713924), (3, 7142616), (4, 5356962), (6, 3571308), (8, 2678481), (9, 2380872), (12, 1785654), (13, 1648296), (18, 1190436), (24, 892827), (26, 824148), (27, 793624), (36, 595218), (39, 549432), (52, 412074), (54, 396812), (72, 297609), (78, 274716), (104, 206037), (108, 198406), (117, 183144), (156, 137358), (169, 126792), (216, 99203), (234, 91572), (312, 68679), (338, 63396), (351, 61048), (468, 45786), (507, 42264), (587, 36504), (676, 31698), (702, 30524), (936, 22893), (1014, 21132), (1174, 18252), (1352, 15849), (1404, 15262), (1521, 14088), (1761, 12168), (2028, 10566), (2348, 9126), (2808, 7631), (3042, 7044), (3522, 6084), (4056, 5283), (4563, 4696)]