21063510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 64229760

約数和(自身を除く): 43166250

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 30, 34, 39, 45, 51, 54, 65, 78, 85, 90, 102, 117, 130, 135, 153, 170, 195, 221, 234, 255, 270, 306, 351, 353, 390, 442, 459, 510, 585, 663, 702, 706, 765, 918, 1059, 1105, 1170, 1326, 1530, 1755, 1765, 1989, 2118, 2210, 2295, 3177, 3315, 3510, 3530, 3978, 4589, 4590, 5295, 5967, 6001, 6354, 6630, 9178, 9531, 9945, 10590, 11934, 12002, 13767, 15885, 18003, 19062, 19890, 22945, 27534, 29835, 30005, 31770, 36006, 41301, 45890, 47655, 54009, 59670, 60010, 68835, 78013, 82602, 90015, 95310, 108018, 123903, 137670, 156026, 162027, 180030, 206505, 234039, 247806, 270045, 324054, 390065, 413010, 468078, 540090, 619515, 702117, 780130, 810135, 1170195, 1239030, 1404234, 1620270, 2106351, 2340390, 3510585, 4212702, 7021170, 10531755, 21063510]

約数ペア:

[(1, 21063510), (2, 10531755), (3, 7021170), (5, 4212702), (6, 3510585), (9, 2340390), (10, 2106351), (13, 1620270), (15, 1404234), (17, 1239030), (18, 1170195), (26, 810135), (27, 780130), (30, 702117), (34, 619515), (39, 540090), (45, 468078), (51, 413010), (54, 390065), (65, 324054), (78, 270045), (85, 247806), (90, 234039), (102, 206505), (117, 180030), (130, 162027), (135, 156026), (153, 137670), (170, 123903), (195, 108018), (221, 95310), (234, 90015), (255, 82602), (270, 78013), (306, 68835), (351, 60010), (353, 59670), (390, 54009), (442, 47655), (459, 45890), (510, 41301), (585, 36006), (663, 31770), (702, 30005), (706, 29835), (765, 27534), (918, 22945), (1059, 19890), (1105, 19062), (1170, 18003), (1326, 15885), (1530, 13767), (1755, 12002), (1765, 11934), (1989, 10590), (2118, 9945), (2210, 9531), (2295, 9178), (3177, 6630), (3315, 6354), (3510, 6001), (3530, 5967), (3978, 5295), (4589, 4590)]