21016386

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 48614904

約数和(自身を除く): 27598518

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 173, 306, 346, 397, 519, 794, 1038, 1191, 1557, 2382, 2941, 3114, 3573, 5882, 6749, 7146, 8823, 13498, 17646, 20247, 26469, 40494, 52938, 60741, 68681, 121482, 137362, 206043, 412086, 618129, 1167577, 1236258, 2335154, 3502731, 7005462, 10508193, 21016386]

約数ペア:

[(1, 21016386), (2, 10508193), (3, 7005462), (6, 3502731), (9, 2335154), (17, 1236258), (18, 1167577), (34, 618129), (51, 412086), (102, 206043), (153, 137362), (173, 121482), (306, 68681), (346, 60741), (397, 52938), (519, 40494), (794, 26469), (1038, 20247), (1191, 17646), (1557, 13498), (2382, 8823), (2941, 7146), (3114, 6749), (3573, 5882)]