21799218

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1399}}^1$

素因数の和:1471

約数の個数: 48

約数和(自身を含む): 51710400

約数和(自身を除く): 29911182

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 53, 98, 106, 147, 159, 294, 318, 371, 742, 1113, 1399, 2226, 2597, 2798, 4197, 5194, 7791, 8394, 9793, 15582, 19586, 29379, 58758, 68551, 74147, 137102, 148294, 205653, 222441, 411306, 444882, 519029, 1038058, 1557087, 3114174, 3633203, 7266406, 10899609, 21799218]

約数ペア:

[(1, 21799218), (2, 10899609), (3, 7266406), (6, 3633203), (7, 3114174), (14, 1557087), (21, 1038058), (42, 519029), (49, 444882), (53, 411306), (98, 222441), (106, 205653), (147, 148294), (159, 137102), (294, 74147), (318, 68551), (371, 58758), (742, 29379), (1113, 19586), (1399, 15582), (2226, 9793), (2597, 8394), (2798, 7791), (4197, 5194)]