21041340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5749}}^1$

素因数の和:5822

約数の個数: 48

約数和(自身を含む): 59892000

約数和(自身を除く): 38850660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5749, 11498, 17247, 22996, 28745, 34494, 57490, 68988, 86235, 114980, 172470, 344940, 350689, 701378, 1052067, 1402756, 1753445, 2104134, 3506890, 4208268, 5260335, 7013780, 10520670, 21041340]

約数ペア:

[(1, 21041340), (2, 10520670), (3, 7013780), (4, 5260335), (5, 4208268), (6, 3506890), (10, 2104134), (12, 1753445), (15, 1402756), (20, 1052067), (30, 701378), (60, 350689), (61, 344940), (122, 172470), (183, 114980), (244, 86235), (305, 68988), (366, 57490), (610, 34494), (732, 28745), (915, 22996), (1220, 17247), (1830, 11498), (3660, 5749)]