21612318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1769

約数の個数: 64

約数和(自身を含む): 55544832

約数和(自身を除く): 33932514

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 39, 42, 46, 69, 78, 91, 138, 161, 182, 273, 299, 322, 483, 546, 598, 897, 966, 1721, 1794, 2093, 3442, 4186, 5163, 6279, 10326, 12047, 12558, 22373, 24094, 36141, 39583, 44746, 67119, 72282, 79166, 118749, 134238, 156611, 237498, 277081, 313222, 469833, 514579, 554162, 831243, 939666, 1029158, 1543737, 1662486, 3087474, 3602053, 7204106, 10806159, 21612318]

約数ペア:

[(1, 21612318), (2, 10806159), (3, 7204106), (6, 3602053), (7, 3087474), (13, 1662486), (14, 1543737), (21, 1029158), (23, 939666), (26, 831243), (39, 554162), (42, 514579), (46, 469833), (69, 313222), (78, 277081), (91, 237498), (138, 156611), (161, 134238), (182, 118749), (273, 79166), (299, 72282), (322, 67119), (483, 44746), (546, 39583), (598, 36141), (897, 24094), (966, 22373), (1721, 12558), (1794, 12047), (2093, 10326), (3442, 6279), (4186, 5163)]