21850440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10711}}^1$

素因数の和:10742

約数の個数: 64

約数和(自身を含む): 69413760

約数和(自身を除く): 47563320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10711, 21422, 32133, 42844, 53555, 64266, 85688, 107110, 128532, 160665, 182087, 214220, 257064, 321330, 364174, 428440, 546261, 642660, 728348, 910435, 1092522, 1285320, 1456696, 1820870, 2185044, 2731305, 3641740, 4370088, 5462610, 7283480, 10925220, 21850440]

約数ペア:

[(1, 21850440), (2, 10925220), (3, 7283480), (4, 5462610), (5, 4370088), (6, 3641740), (8, 2731305), (10, 2185044), (12, 1820870), (15, 1456696), (17, 1285320), (20, 1092522), (24, 910435), (30, 728348), (34, 642660), (40, 546261), (51, 428440), (60, 364174), (68, 321330), (85, 257064), (102, 214220), (120, 182087), (136, 160665), (170, 128532), (204, 107110), (255, 85688), (340, 64266), (408, 53555), (510, 42844), (680, 32133), (1020, 21422), (2040, 10711)]