21769972

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 46305280

約数和(自身を除く): 24535308

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 151, 266, 271, 302, 532, 542, 604, 1057, 1084, 1897, 2114, 2869, 3794, 4228, 5149, 5738, 7588, 10298, 11476, 20083, 20596, 36043, 40166, 40921, 72086, 80332, 81842, 144172, 163684, 286447, 572894, 777499, 1145788, 1554998, 3109996, 5442493, 10884986, 21769972]

約数ペア:

[(1, 21769972), (2, 10884986), (4, 5442493), (7, 3109996), (14, 1554998), (19, 1145788), (28, 777499), (38, 572894), (76, 286447), (133, 163684), (151, 144172), (266, 81842), (271, 80332), (302, 72086), (532, 40921), (542, 40166), (604, 36043), (1057, 20596), (1084, 20083), (1897, 11476), (2114, 10298), (2869, 7588), (3794, 5738), (4228, 5149)]