21098970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3499}}^1$

素因数の和:3579

約数の個数: 48

約数和(自身を含む): 55692000

約数和(自身を除く): 34593030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 67, 90, 134, 201, 335, 402, 603, 670, 1005, 1206, 2010, 3015, 3499, 6030, 6998, 10497, 17495, 20994, 31491, 34990, 52485, 62982, 104970, 157455, 234433, 314910, 468866, 703299, 1172165, 1406598, 2109897, 2344330, 3516495, 4219794, 7032990, 10549485, 21098970]

約数ペア:

[(1, 21098970), (2, 10549485), (3, 7032990), (5, 4219794), (6, 3516495), (9, 2344330), (10, 2109897), (15, 1406598), (18, 1172165), (30, 703299), (45, 468866), (67, 314910), (90, 234433), (134, 157455), (201, 104970), (335, 62982), (402, 52485), (603, 34990), (670, 31491), (1005, 20994), (1206, 17495), (2010, 10497), (3015, 6998), (3499, 6030)]