21294030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 55427328

約数和(自身を除く): 34133298

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 43, 51, 85, 86, 102, 129, 170, 215, 255, 258, 430, 510, 645, 731, 971, 1290, 1462, 1942, 2193, 2913, 3655, 4386, 4855, 5826, 7310, 9710, 10965, 14565, 16507, 21930, 29130, 33014, 41753, 49521, 82535, 83506, 99042, 125259, 165070, 208765, 247605, 250518, 417530, 495210, 626295, 709801, 1252590, 1419602, 2129403, 3549005, 4258806, 7098010, 10647015, 21294030]

約数ペア:

[(1, 21294030), (2, 10647015), (3, 7098010), (5, 4258806), (6, 3549005), (10, 2129403), (15, 1419602), (17, 1252590), (30, 709801), (34, 626295), (43, 495210), (51, 417530), (85, 250518), (86, 247605), (102, 208765), (129, 165070), (170, 125259), (215, 99042), (255, 83506), (258, 82535), (430, 49521), (510, 41753), (645, 33014), (731, 29130), (971, 21930), (1290, 16507), (1462, 14565), (1942, 10965), (2193, 9710), (2913, 7310), (3655, 5826), (4386, 4855)]