21593028

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 51819264

約数和(自身を除く): 30226236

約数列:

[1, 2, 3, 4, 6, 12, 67, 107, 134, 201, 214, 251, 268, 321, 402, 428, 502, 642, 753, 804, 1004, 1284, 1506, 3012, 7169, 14338, 16817, 21507, 26857, 28676, 33634, 43014, 50451, 53714, 67268, 80571, 86028, 100902, 107428, 161142, 201804, 322284, 1799419, 3598838, 5398257, 7197676, 10796514, 21593028]

約数ペア:

[(1, 21593028), (2, 10796514), (3, 7197676), (4, 5398257), (6, 3598838), (12, 1799419), (67, 322284), (107, 201804), (134, 161142), (201, 107428), (214, 100902), (251, 86028), (268, 80571), (321, 67268), (402, 53714), (428, 50451), (502, 43014), (642, 33634), (753, 28676), (804, 26857), (1004, 21507), (1284, 16817), (1506, 14338), (3012, 7169)]