21242214

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 57148416

約数和(自身を除く): 35906202

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 47, 51, 63, 94, 102, 119, 126, 141, 153, 211, 238, 282, 306, 329, 357, 422, 423, 633, 658, 714, 799, 846, 987, 1071, 1266, 1477, 1598, 1899, 1974, 2142, 2397, 2954, 2961, 3587, 3798, 4431, 4794, 5593, 5922, 7174, 7191, 8862, 9917, 10761, 11186, 13293, 14382, 16779, 19834, 21522, 25109, 26586, 29751, 32283, 33558, 50218, 50337, 59502, 64566, 69419, 75327, 89253, 100674, 138838, 150654, 168589, 178506, 208257, 225981, 337178, 416514, 451962, 505767, 624771, 1011534, 1180123, 1249542, 1517301, 2360246, 3034602, 3540369, 7080738, 10621107, 21242214]

約数ペア:

[(1, 21242214), (2, 10621107), (3, 7080738), (6, 3540369), (7, 3034602), (9, 2360246), (14, 1517301), (17, 1249542), (18, 1180123), (21, 1011534), (34, 624771), (42, 505767), (47, 451962), (51, 416514), (63, 337178), (94, 225981), (102, 208257), (119, 178506), (126, 168589), (141, 150654), (153, 138838), (211, 100674), (238, 89253), (282, 75327), (306, 69419), (329, 64566), (357, 59502), (422, 50337), (423, 50218), (633, 33558), (658, 32283), (714, 29751), (799, 26586), (846, 25109), (987, 21522), (1071, 19834), (1266, 16779), (1477, 14382), (1598, 13293), (1899, 11186), (1974, 10761), (2142, 9917), (2397, 8862), (2954, 7191), (2961, 7174), (3587, 5922), (3798, 5593), (4431, 4794)]