21361170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 53673984

約数和(自身を除く): 32312814

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 103, 155, 186, 206, 223, 309, 310, 446, 465, 515, 618, 669, 930, 1030, 1115, 1338, 1545, 2230, 3090, 3193, 3345, 6386, 6690, 6913, 9579, 13826, 15965, 19158, 20739, 22969, 31930, 34565, 41478, 45938, 47895, 68907, 69130, 95790, 103695, 114845, 137814, 207390, 229690, 344535, 689070, 712039, 1424078, 2136117, 3560195, 4272234, 7120390, 10680585, 21361170]

約数ペア:

[(1, 21361170), (2, 10680585), (3, 7120390), (5, 4272234), (6, 3560195), (10, 2136117), (15, 1424078), (30, 712039), (31, 689070), (62, 344535), (93, 229690), (103, 207390), (155, 137814), (186, 114845), (206, 103695), (223, 95790), (309, 69130), (310, 68907), (446, 47895), (465, 45938), (515, 41478), (618, 34565), (669, 31930), (930, 22969), (1030, 20739), (1115, 19158), (1338, 15965), (1545, 13826), (2230, 9579), (3090, 6913), (3193, 6690), (3345, 6386)]