21699678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3613}}^1$

素因数の和:3649

約数の個数: 64

約数和(自身を含む): 58286592

約数和(自身を除く): 36586914

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 182, 231, 273, 286, 429, 462, 546, 858, 1001, 2002, 3003, 3613, 6006, 7226, 10839, 21678, 25291, 39743, 46969, 50582, 75873, 79486, 93938, 119229, 140907, 151746, 238458, 278201, 281814, 328783, 516659, 556402, 657566, 834603, 986349, 1033318, 1549977, 1669206, 1972698, 3099954, 3616613, 7233226, 10849839, 21699678]

約数ペア:

[(1, 21699678), (2, 10849839), (3, 7233226), (6, 3616613), (7, 3099954), (11, 1972698), (13, 1669206), (14, 1549977), (21, 1033318), (22, 986349), (26, 834603), (33, 657566), (39, 556402), (42, 516659), (66, 328783), (77, 281814), (78, 278201), (91, 238458), (143, 151746), (154, 140907), (182, 119229), (231, 93938), (273, 79486), (286, 75873), (429, 50582), (462, 46969), (546, 39743), (858, 25291), (1001, 21678), (2002, 10839), (3003, 7226), (3613, 6006)]