21417552

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1$

素因数の和:717

約数の個数: 120

約数和(自身を含む): 68448744

約数和(自身を除く): 47031192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 34, 36, 39, 48, 51, 52, 68, 72, 78, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 306, 312, 408, 442, 468, 612, 624, 663, 673, 816, 884, 936, 1224, 1326, 1346, 1768, 1872, 1989, 2019, 2448, 2652, 2692, 3536, 3978, 4038, 5304, 5384, 6057, 7956, 8076, 8749, 10608, 10768, 11441, 12114, 15912, 16152, 17498, 22882, 24228, 26247, 31824, 32304, 34323, 34996, 45764, 48456, 52494, 68646, 69992, 78741, 91528, 96912, 102969, 104988, 137292, 139984, 148733, 157482, 183056, 205938, 209976, 274584, 297466, 314964, 411876, 419952, 446199, 549168, 594932, 629928, 823752, 892398, 1189864, 1259856, 1338597, 1647504, 1784796, 2379728, 2677194, 3569592, 5354388, 7139184, 10708776, 21417552]

約数ペア:

[(1, 21417552), (2, 10708776), (3, 7139184), (4, 5354388), (6, 3569592), (8, 2677194), (9, 2379728), (12, 1784796), (13, 1647504), (16, 1338597), (17, 1259856), (18, 1189864), (24, 892398), (26, 823752), (34, 629928), (36, 594932), (39, 549168), (48, 446199), (51, 419952), (52, 411876), (68, 314964), (72, 297466), (78, 274584), (102, 209976), (104, 205938), (117, 183056), (136, 157482), (144, 148733), (153, 139984), (156, 137292), (204, 104988), (208, 102969), (221, 96912), (234, 91528), (272, 78741), (306, 69992), (312, 68646), (408, 52494), (442, 48456), (468, 45764), (612, 34996), (624, 34323), (663, 32304), (673, 31824), (816, 26247), (884, 24228), (936, 22882), (1224, 17498), (1326, 16152), (1346, 15912), (1768, 12114), (1872, 11441), (1989, 10768), (2019, 10608), (2448, 8749), (2652, 8076), (2692, 7956), (3536, 6057), (3978, 5384), (4038, 5304)]