21821490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6553}}^1$

素因数の和:6603

約数の個数: 48

約数和(自身を含む): 58278168

約数和(自身を除く): 36456678

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330, 6553, 13106, 19659, 32765, 39318, 58977, 65530, 98295, 117954, 196590, 242461, 294885, 484922, 589770, 727383, 1212305, 1454766, 2182149, 2424610, 3636915, 4364298, 7273830, 10910745, 21821490]

約数ペア:

[(1, 21821490), (2, 10910745), (3, 7273830), (5, 4364298), (6, 3636915), (9, 2424610), (10, 2182149), (15, 1454766), (18, 1212305), (30, 727383), (37, 589770), (45, 484922), (74, 294885), (90, 242461), (111, 196590), (185, 117954), (222, 98295), (333, 65530), (370, 58977), (555, 39318), (666, 32765), (1110, 19659), (1665, 13106), (3330, 6553)]