21849966

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 28953234

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 71, 82, 123, 139, 142, 213, 246, 278, 369, 417, 426, 639, 738, 834, 1107, 1251, 1278, 1917, 2214, 2502, 2911, 3753, 3834, 5699, 5822, 7506, 8733, 9869, 11398, 17097, 17466, 19738, 26199, 29607, 34194, 51291, 52398, 59214, 78597, 88821, 102582, 153873, 157194, 177642, 266463, 307746, 404629, 532926, 809258, 1213887, 2427774, 3641661, 7283322, 10924983, 21849966]

約数ペア:

[(1, 21849966), (2, 10924983), (3, 7283322), (6, 3641661), (9, 2427774), (18, 1213887), (27, 809258), (41, 532926), (54, 404629), (71, 307746), (82, 266463), (123, 177642), (139, 157194), (142, 153873), (213, 102582), (246, 88821), (278, 78597), (369, 59214), (417, 52398), (426, 51291), (639, 34194), (738, 29607), (834, 26199), (1107, 19738), (1251, 17466), (1278, 17097), (1917, 11398), (2214, 9869), (2502, 8733), (2911, 7506), (3753, 5822), (3834, 5699)]