21003798

素因数分解:

$2^1\times 3^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 21896682

約数列:

[1, 2, 3, 6, 97, 151, 194, 239, 291, 302, 453, 478, 582, 717, 906, 1434, 14647, 23183, 29294, 36089, 43941, 46366, 69549, 72178, 87882, 108267, 139098, 216534, 3500633, 7001266, 10501899, 21003798]

約数ペア:

[(1, 21003798), (2, 10501899), (3, 7001266), (6, 3500633), (97, 216534), (151, 139098), (194, 108267), (239, 87882), (291, 72178), (302, 69549), (453, 46366), (478, 43941), (582, 36089), (717, 29294), (906, 23183), (1434, 14647)]