21803034

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 50761728

約数和(自身を除く): 28958694

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 53, 66, 69, 106, 138, 159, 253, 271, 318, 506, 542, 583, 759, 813, 1166, 1219, 1518, 1626, 1749, 2438, 2981, 3498, 3657, 5962, 6233, 7314, 8943, 12466, 13409, 14363, 17886, 18699, 26818, 28726, 37398, 40227, 43089, 68563, 80454, 86178, 137126, 157993, 205689, 315986, 330349, 411378, 473979, 660698, 947958, 991047, 1982094, 3633839, 7267678, 10901517, 21803034]

約数ペア:

[(1, 21803034), (2, 10901517), (3, 7267678), (6, 3633839), (11, 1982094), (22, 991047), (23, 947958), (33, 660698), (46, 473979), (53, 411378), (66, 330349), (69, 315986), (106, 205689), (138, 157993), (159, 137126), (253, 86178), (271, 80454), (318, 68563), (506, 43089), (542, 40227), (583, 37398), (759, 28726), (813, 26818), (1166, 18699), (1219, 17886), (1518, 14363), (1626, 13409), (1749, 12466), (2438, 8943), (2981, 7314), (3498, 6233), (3657, 5962)]