21101415

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 14149785

約数列:

[1, 3, 5, 15, 29, 87, 145, 179, 271, 435, 537, 813, 895, 1355, 2685, 4065, 5191, 7859, 15573, 23577, 25955, 39295, 48509, 77865, 117885, 145527, 242545, 727635, 1406761, 4220283, 7033805, 21101415]

約数ペア:

[(1, 21101415), (3, 7033805), (5, 4220283), (15, 1406761), (29, 727635), (87, 242545), (145, 145527), (179, 117885), (271, 77865), (435, 48509), (537, 39295), (813, 25955), (895, 23577), (1355, 15573), (2685, 7859), (4065, 5191)]