21332896

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2699}}^1$

素因数の和:2741

約数の個数: 48

約数和(自身を含む): 47628000

約数和(自身を除く): 26295104

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2699, 3952, 5398, 7904, 10796, 21592, 35087, 43184, 51281, 70174, 86368, 102562, 140348, 205124, 280696, 410248, 561392, 666653, 820496, 1122784, 1333306, 1640992, 2666612, 5333224, 10666448, 21332896]

約数ペア:

[(1, 21332896), (2, 10666448), (4, 5333224), (8, 2666612), (13, 1640992), (16, 1333306), (19, 1122784), (26, 820496), (32, 666653), (38, 561392), (52, 410248), (76, 280696), (104, 205124), (152, 140348), (208, 102562), (247, 86368), (304, 70174), (416, 51281), (494, 43184), (608, 35087), (988, 21592), (1976, 10796), (2699, 7904), (3952, 5398)]