21493189568

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{16921}}^1$

素因数の和:17245

約数の個数: 56

約数和(自身を含む): 43325735040

約数和(自身を除く): 21832545472

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 178, 223, 356, 446, 712, 892, 1424, 1784, 2848, 3568, 5696, 7136, 14272, 16921, 19847, 33842, 39694, 67684, 79388, 135368, 158776, 270736, 317552, 541472, 635104, 1082944, 1270208, 1505969, 3011938, 3773383, 6023876, 7546766, 12047752, 15093532, 24095504, 30187064, 48191008, 60374128, 96382016, 120748256, 241496512, 335831087, 671662174, 1343324348, 2686648696, 5373297392, 10746594784, 21493189568]

約数ペア:

[(1, 21493189568), (2, 10746594784), (4, 5373297392), (8, 2686648696), (16, 1343324348), (32, 671662174), (64, 335831087), (89, 241496512), (178, 120748256), (223, 96382016), (356, 60374128), (446, 48191008), (712, 30187064), (892, 24095504), (1424, 15093532), (1784, 12047752), (2848, 7546766), (3568, 6023876), (5696, 3773383), (7136, 3011938), (14272, 1505969), (16921, 1270208), (19847, 1082944), (33842, 635104), (39694, 541472), (67684, 317552), (79388, 270736), (135368, 158776)]