21092988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{14771}}^1$

素因数の和:14802

約数の個数: 48

約数和(自身を含む): 59560704

約数和(自身を除く): 38467716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 14771, 29542, 44313, 59084, 88626, 103397, 177252, 206794, 251107, 310191, 413588, 502214, 620382, 753321, 1004428, 1240764, 1506642, 1757749, 3013284, 3515498, 5273247, 7030996, 10546494, 21092988]

約数ペア:

[(1, 21092988), (2, 10546494), (3, 7030996), (4, 5273247), (6, 3515498), (7, 3013284), (12, 1757749), (14, 1506642), (17, 1240764), (21, 1004428), (28, 753321), (34, 620382), (42, 502214), (51, 413588), (68, 310191), (84, 251107), (102, 206794), (119, 177252), (204, 103397), (238, 88626), (357, 59084), (476, 44313), (714, 29542), (1428, 14771)]