21904568

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 53557200

約数和(自身を除く): 31652632

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 49, 56, 68, 76, 98, 119, 133, 136, 152, 173, 196, 238, 266, 323, 346, 392, 476, 532, 646, 692, 833, 931, 952, 1064, 1211, 1292, 1384, 1666, 1862, 2261, 2422, 2584, 2941, 3287, 3332, 3724, 4522, 4844, 5882, 6574, 6664, 7448, 8477, 9044, 9688, 11764, 13148, 15827, 16954, 18088, 20587, 23009, 23528, 26296, 31654, 33908, 41174, 46018, 55879, 63308, 67816, 82348, 92036, 111758, 126616, 144109, 161063, 164696, 184072, 223516, 288218, 322126, 391153, 447032, 576436, 644252, 782306, 1152872, 1288504, 1564612, 2738071, 3129224, 5476142, 10952284, 21904568]

約数ペア:

[(1, 21904568), (2, 10952284), (4, 5476142), (7, 3129224), (8, 2738071), (14, 1564612), (17, 1288504), (19, 1152872), (28, 782306), (34, 644252), (38, 576436), (49, 447032), (56, 391153), (68, 322126), (76, 288218), (98, 223516), (119, 184072), (133, 164696), (136, 161063), (152, 144109), (173, 126616), (196, 111758), (238, 92036), (266, 82348), (323, 67816), (346, 63308), (392, 55879), (476, 46018), (532, 41174), (646, 33908), (692, 31654), (833, 26296), (931, 23528), (952, 23009), (1064, 20587), (1211, 18088), (1292, 16954), (1384, 15827), (1666, 13148), (1862, 11764), (2261, 9688), (2422, 9044), (2584, 8477), (2941, 7448), (3287, 6664), (3332, 6574), (3724, 5882), (4522, 4844)]