21222684

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:304

約数の個数: 108

約数和(自身を含む): 63862344

約数和(自身を除く): 42639660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 53, 63, 84, 98, 106, 126, 147, 159, 196, 212, 227, 252, 294, 318, 371, 441, 454, 477, 588, 636, 681, 742, 882, 908, 954, 1113, 1362, 1484, 1589, 1764, 1908, 2043, 2226, 2597, 2724, 3178, 3339, 4086, 4452, 4767, 5194, 6356, 6678, 7791, 8172, 9534, 10388, 11123, 12031, 13356, 14301, 15582, 19068, 22246, 23373, 24062, 28602, 31164, 33369, 36093, 44492, 46746, 48124, 57204, 66738, 72186, 84217, 93492, 100107, 108279, 133476, 144372, 168434, 200214, 216558, 252651, 336868, 400428, 433116, 505302, 589519, 757953, 1010604, 1179038, 1515906, 1768557, 2358076, 3031812, 3537114, 5305671, 7074228, 10611342, 21222684]

約数ペア:

[(1, 21222684), (2, 10611342), (3, 7074228), (4, 5305671), (6, 3537114), (7, 3031812), (9, 2358076), (12, 1768557), (14, 1515906), (18, 1179038), (21, 1010604), (28, 757953), (36, 589519), (42, 505302), (49, 433116), (53, 400428), (63, 336868), (84, 252651), (98, 216558), (106, 200214), (126, 168434), (147, 144372), (159, 133476), (196, 108279), (212, 100107), (227, 93492), (252, 84217), (294, 72186), (318, 66738), (371, 57204), (441, 48124), (454, 46746), (477, 44492), (588, 36093), (636, 33369), (681, 31164), (742, 28602), (882, 24062), (908, 23373), (954, 22246), (1113, 19068), (1362, 15582), (1484, 14301), (1589, 13356), (1764, 12031), (1908, 11123), (2043, 10388), (2226, 9534), (2597, 8172), (2724, 7791), (3178, 6678), (3339, 6356), (4086, 5194), (4452, 4767)]