21243006

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{6449}}^1$

素因数の和:6521

約数の個数: 32

約数和(自身を含む): 47988000

約数和(自身を除く): 26744994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 1098, 1647, 3294, 6449, 12898, 19347, 38694, 58041, 116082, 174123, 348246, 393389, 786778, 1180167, 2360334, 3540501, 7081002, 10621503, 21243006]

約数ペア:

[(1, 21243006), (2, 10621503), (3, 7081002), (6, 3540501), (9, 2360334), (18, 1180167), (27, 786778), (54, 393389), (61, 348246), (122, 174123), (183, 116082), (366, 58041), (549, 38694), (1098, 19347), (1647, 12898), (3294, 6449)]