21420150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2341}}^1$

素因数の和:2417

約数の個数: 48

約数和(自身を含む): 54015888

約数和(自身を除く): 32595738

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 150, 183, 305, 366, 610, 915, 1525, 1830, 2341, 3050, 4575, 4682, 7023, 9150, 11705, 14046, 23410, 35115, 58525, 70230, 117050, 142801, 175575, 285602, 351150, 428403, 714005, 856806, 1428010, 2142015, 3570025, 4284030, 7140050, 10710075, 21420150]

約数ペア:

[(1, 21420150), (2, 10710075), (3, 7140050), (5, 4284030), (6, 3570025), (10, 2142015), (15, 1428010), (25, 856806), (30, 714005), (50, 428403), (61, 351150), (75, 285602), (122, 175575), (150, 142801), (183, 117050), (305, 70230), (366, 58525), (610, 35115), (915, 23410), (1525, 14046), (1830, 11705), (2341, 9150), (3050, 7023), (4575, 4682)]