21420804978

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{3229}}^1$

素因数の和:3468

約数の個数: 96

約数和(自身を含む): 48568993200

約数和(自身を除く): 27148188222

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 89, 101, 123, 178, 202, 246, 267, 303, 369, 534, 606, 738, 801, 909, 1602, 1818, 3229, 3649, 4141, 6458, 7298, 8282, 8989, 9687, 10947, 12423, 17978, 19374, 21894, 24846, 26967, 29061, 32841, 37269, 53934, 58122, 65682, 74538, 80901, 132389, 161802, 264778, 287381, 326129, 368549, 397167, 574762, 652258, 737098, 794334, 862143, 978387, 1105647, 1191501, 1724286, 1956774, 2211294, 2383002, 2586429, 2935161, 3316941, 5172858, 5870322, 6633882, 11782621, 13371289, 23565242, 26742578, 29025481, 35347863, 40113867, 58050962, 70695726, 80227734, 87076443, 106043589, 120341601, 174152886, 212087178, 240683202, 261229329, 522458658, 1190044721, 2380089442, 3570134163, 7140268326, 10710402489, 21420804978]

約数ペア:

[(1, 21420804978), (2, 10710402489), (3, 7140268326), (6, 3570134163), (9, 2380089442), (18, 1190044721), (41, 522458658), (82, 261229329), (89, 240683202), (101, 212087178), (123, 174152886), (178, 120341601), (202, 106043589), (246, 87076443), (267, 80227734), (303, 70695726), (369, 58050962), (534, 40113867), (606, 35347863), (738, 29025481), (801, 26742578), (909, 23565242), (1602, 13371289), (1818, 11782621), (3229, 6633882), (3649, 5870322), (4141, 5172858), (6458, 3316941), (7298, 2935161), (8282, 2586429), (8989, 2383002), (9687, 2211294), (10947, 1956774), (12423, 1724286), (17978, 1191501), (19374, 1105647), (21894, 978387), (24846, 862143), (26967, 794334), (29061, 737098), (32841, 652258), (37269, 574762), (53934, 397167), (58122, 368549), (65682, 326129), (74538, 287381), (80901, 264778), (132389, 161802)]