21372768

素因数分解:

$2^5\times 3^3\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:901

約数の個数: 96

約数和(自身を含む): 64562400

約数和(自身を除く): 43189632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 72, 87, 96, 108, 116, 144, 174, 216, 232, 261, 288, 348, 432, 464, 522, 696, 783, 853, 864, 928, 1044, 1392, 1566, 1706, 2088, 2559, 2784, 3132, 3412, 4176, 5118, 6264, 6824, 7677, 8352, 10236, 12528, 13648, 15354, 20472, 23031, 24737, 25056, 27296, 30708, 40944, 46062, 49474, 61416, 74211, 81888, 92124, 98948, 122832, 148422, 184248, 197896, 222633, 245664, 296844, 368496, 395792, 445266, 593688, 667899, 736992, 791584, 890532, 1187376, 1335798, 1781064, 2374752, 2671596, 3562128, 5343192, 7124256, 10686384, 21372768]

約数ペア:

[(1, 21372768), (2, 10686384), (3, 7124256), (4, 5343192), (6, 3562128), (8, 2671596), (9, 2374752), (12, 1781064), (16, 1335798), (18, 1187376), (24, 890532), (27, 791584), (29, 736992), (32, 667899), (36, 593688), (48, 445266), (54, 395792), (58, 368496), (72, 296844), (87, 245664), (96, 222633), (108, 197896), (116, 184248), (144, 148422), (174, 122832), (216, 98948), (232, 92124), (261, 81888), (288, 74211), (348, 61416), (432, 49474), (464, 46062), (522, 40944), (696, 30708), (783, 27296), (853, 25056), (864, 24737), (928, 23031), (1044, 20472), (1392, 15354), (1566, 13648), (1706, 12528), (2088, 10236), (2559, 8352), (2784, 7677), (3132, 6824), (3412, 6264), (4176, 5118)]