21275364

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 39204636

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 19, 22, 33, 34, 38, 44, 51, 57, 66, 68, 76, 102, 114, 132, 187, 204, 209, 228, 323, 374, 418, 499, 561, 627, 646, 748, 836, 969, 998, 1122, 1254, 1292, 1497, 1938, 1996, 2244, 2508, 2994, 3553, 3876, 5489, 5988, 7106, 8483, 9481, 10659, 10978, 14212, 16467, 16966, 18962, 21318, 21956, 25449, 28443, 32934, 33932, 37924, 42636, 50898, 56886, 65868, 93313, 101796, 104291, 113772, 161177, 186626, 208582, 279939, 312873, 322354, 373252, 417164, 483531, 559878, 625746, 644708, 967062, 1119756, 1251492, 1772947, 1934124, 3545894, 5318841, 7091788, 10637682, 21275364]

約数ペア:

[(1, 21275364), (2, 10637682), (3, 7091788), (4, 5318841), (6, 3545894), (11, 1934124), (12, 1772947), (17, 1251492), (19, 1119756), (22, 967062), (33, 644708), (34, 625746), (38, 559878), (44, 483531), (51, 417164), (57, 373252), (66, 322354), (68, 312873), (76, 279939), (102, 208582), (114, 186626), (132, 161177), (187, 113772), (204, 104291), (209, 101796), (228, 93313), (323, 65868), (374, 56886), (418, 50898), (499, 42636), (561, 37924), (627, 33932), (646, 32934), (748, 28443), (836, 25449), (969, 21956), (998, 21318), (1122, 18962), (1254, 16966), (1292, 16467), (1497, 14212), (1938, 10978), (1996, 10659), (2244, 9481), (2508, 8483), (2994, 7106), (3553, 5988), (3876, 5489)]