21102552

素因数分解:

$2^3\times 3^3\times {\mathrm{151}}^1\times {\mathrm{647}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 59097600

約数和(自身を除く): 37995048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 151, 216, 302, 453, 604, 647, 906, 1208, 1294, 1359, 1812, 1941, 2588, 2718, 3624, 3882, 4077, 5176, 5436, 5823, 7764, 8154, 10872, 11646, 15528, 16308, 17469, 23292, 32616, 34938, 46584, 69876, 97697, 139752, 195394, 293091, 390788, 586182, 781576, 879273, 1172364, 1758546, 2344728, 2637819, 3517092, 5275638, 7034184, 10551276, 21102552]

約数ペア:

[(1, 21102552), (2, 10551276), (3, 7034184), (4, 5275638), (6, 3517092), (8, 2637819), (9, 2344728), (12, 1758546), (18, 1172364), (24, 879273), (27, 781576), (36, 586182), (54, 390788), (72, 293091), (108, 195394), (151, 139752), (216, 97697), (302, 69876), (453, 46584), (604, 34938), (647, 32616), (906, 23292), (1208, 17469), (1294, 16308), (1359, 15528), (1812, 11646), (1941, 10872), (2588, 8154), (2718, 7764), (3624, 5823), (3882, 5436), (4077, 5176)]