21751624

素因数分解:

$2^3\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 43741620

約数和(自身を除く): 21989996

約数列:

[1, 2, 4, 8, 29, 53, 58, 61, 106, 116, 122, 212, 232, 244, 424, 488, 841, 1537, 1682, 1769, 3074, 3233, 3364, 3538, 6148, 6466, 6728, 7076, 12296, 12932, 14152, 25864, 44573, 51301, 89146, 93757, 102602, 178292, 187514, 205204, 356584, 375028, 410408, 750056, 2718953, 5437906, 10875812, 21751624]

約数ペア:

[(1, 21751624), (2, 10875812), (4, 5437906), (8, 2718953), (29, 750056), (53, 410408), (58, 375028), (61, 356584), (106, 205204), (116, 187514), (122, 178292), (212, 102602), (232, 93757), (244, 89146), (424, 51301), (488, 44573), (841, 25864), (1537, 14152), (1682, 12932), (1769, 12296), (3074, 7076), (3233, 6728), (3364, 6466), (3538, 6148)]