21529128

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1582

約数の個数: 64

約数和(自身を含む): 58521600

約数和(自身を除く): 36992472

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 372, 456, 589, 744, 1178, 1523, 1767, 2356, 3046, 3534, 4569, 4712, 6092, 7068, 9138, 12184, 14136, 18276, 28937, 36552, 47213, 57874, 86811, 94426, 115748, 141639, 173622, 188852, 231496, 283278, 347244, 377704, 566556, 694488, 897047, 1133112, 1794094, 2691141, 3588188, 5382282, 7176376, 10764564, 21529128]

約数ペア:

[(1, 21529128), (2, 10764564), (3, 7176376), (4, 5382282), (6, 3588188), (8, 2691141), (12, 1794094), (19, 1133112), (24, 897047), (31, 694488), (38, 566556), (57, 377704), (62, 347244), (76, 283278), (93, 231496), (114, 188852), (124, 173622), (152, 141639), (186, 115748), (228, 94426), (248, 86811), (372, 57874), (456, 47213), (589, 36552), (744, 28937), (1178, 18276), (1523, 14136), (1767, 12184), (2356, 9138), (3046, 7068), (3534, 6092), (4569, 4712)]