21164388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{14821}}^1$

素因数の和:14852

約数の個数: 48

約数和(自身を含む): 59762304

約数和(自身を除く): 38597916

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, 14821, 29642, 44463, 59284, 88926, 103747, 177852, 207494, 251957, 311241, 414988, 503914, 622482, 755871, 1007828, 1244964, 1511742, 1763699, 3023484, 3527398, 5291097, 7054796, 10582194, 21164388]

約数ペア:

[(1, 21164388), (2, 10582194), (3, 7054796), (4, 5291097), (6, 3527398), (7, 3023484), (12, 1763699), (14, 1511742), (17, 1244964), (21, 1007828), (28, 755871), (34, 622482), (42, 503914), (51, 414988), (68, 311241), (84, 251957), (102, 207494), (119, 177852), (204, 103747), (238, 88926), (357, 59284), (476, 44463), (714, 29642), (1428, 14821)]