21209790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{100999}}^1$

素因数の和:101016

約数の個数: 32

約数和(自身を含む): 58176000

約数和(自身を除く): 36966210

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 100999, 201998, 302997, 504995, 605994, 706993, 1009990, 1413986, 1514985, 2120979, 3029970, 3534965, 4241958, 7069930, 10604895, 21209790]

約数ペア:

[(1, 21209790), (2, 10604895), (3, 7069930), (5, 4241958), (6, 3534965), (7, 3029970), (10, 2120979), (14, 1514985), (15, 1413986), (21, 1009990), (30, 706993), (35, 605994), (42, 504995), (70, 302997), (105, 201998), (210, 100999)]