21614229

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 41574400

約数和(自身を除く): 19960171

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 91, 117, 133, 171, 189, 247, 273, 351, 399, 463, 513, 741, 819, 1197, 1389, 1729, 2223, 2457, 3241, 3591, 4167, 5187, 6019, 6669, 8797, 9723, 12501, 15561, 18057, 26391, 29169, 42133, 46683, 54171, 61579, 79173, 87507, 114361, 126399, 162513, 184737, 237519, 343083, 379197, 554211, 800527, 1029249, 1137591, 1662633, 2401581, 3087747, 7204743, 21614229]

約数ペア:

[(1, 21614229), (3, 7204743), (7, 3087747), (9, 2401581), (13, 1662633), (19, 1137591), (21, 1029249), (27, 800527), (39, 554211), (57, 379197), (63, 343083), (91, 237519), (117, 184737), (133, 162513), (171, 126399), (189, 114361), (247, 87507), (273, 79173), (351, 61579), (399, 54171), (463, 46683), (513, 42133), (741, 29169), (819, 26391), (1197, 18057), (1389, 15561), (1729, 12501), (2223, 9723), (2457, 8797), (3241, 6669), (3591, 6019), (4167, 5187)]