21407220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1367}}^1$

素因数の和:1414

約数の個数: 96

約数和(自身を含む): 68947200

約数和(自身を除く): 47539980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1305, 1367, 1566, 1740, 2610, 2734, 3132, 3915, 4101, 5220, 5468, 6835, 7830, 8202, 12303, 13670, 15660, 16404, 20505, 24606, 27340, 36909, 39643, 41010, 49212, 61515, 73818, 79286, 82020, 118929, 123030, 147636, 158572, 184545, 198215, 237858, 246060, 356787, 369090, 396430, 475716, 594645, 713574, 738180, 792860, 1070361, 1189290, 1427148, 1783935, 2140722, 2378580, 3567870, 4281444, 5351805, 7135740, 10703610, 21407220]

約数ペア:

[(1, 21407220), (2, 10703610), (3, 7135740), (4, 5351805), (5, 4281444), (6, 3567870), (9, 2378580), (10, 2140722), (12, 1783935), (15, 1427148), (18, 1189290), (20, 1070361), (27, 792860), (29, 738180), (30, 713574), (36, 594645), (45, 475716), (54, 396430), (58, 369090), (60, 356787), (87, 246060), (90, 237858), (108, 198215), (116, 184545), (135, 158572), (145, 147636), (174, 123030), (180, 118929), (261, 82020), (270, 79286), (290, 73818), (348, 61515), (435, 49212), (522, 41010), (540, 39643), (580, 36909), (783, 27340), (870, 24606), (1044, 20505), (1305, 16404), (1367, 15660), (1566, 13670), (1740, 12303), (2610, 8202), (2734, 7830), (3132, 6835), (3915, 5468), (4101, 5220)]