21734024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 27254776

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 247, 323, 442, 494, 646, 647, 884, 988, 1292, 1294, 1768, 1976, 2584, 2588, 4199, 5176, 8398, 8411, 10999, 12293, 16796, 16822, 21998, 24586, 33592, 33644, 43996, 49172, 67288, 87992, 98344, 142987, 159809, 208981, 285974, 319618, 417962, 571948, 639236, 835924, 1143896, 1278472, 1671848, 2716753, 5433506, 10867012, 21734024]

約数ペア:

[(1, 21734024), (2, 10867012), (4, 5433506), (8, 2716753), (13, 1671848), (17, 1278472), (19, 1143896), (26, 835924), (34, 639236), (38, 571948), (52, 417962), (68, 319618), (76, 285974), (104, 208981), (136, 159809), (152, 142987), (221, 98344), (247, 87992), (323, 67288), (442, 49172), (494, 43996), (646, 33644), (647, 33592), (884, 24586), (988, 21998), (1292, 16822), (1294, 16796), (1768, 12293), (1976, 10999), (2584, 8411), (2588, 8398), (4199, 5176)]