21606420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1723}}^1$

素因数の和:1765

約数の個数: 96

約数和(自身を含む): 69511680

約数和(自身を除く): 47905260

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 1723, 2090, 2508, 3135, 3446, 4180, 5169, 6270, 6892, 8615, 10338, 12540, 17230, 18953, 20676, 25845, 32737, 34460, 37906, 51690, 56859, 65474, 75812, 94765, 98211, 103380, 113718, 130948, 163685, 189530, 196422, 227436, 284295, 327370, 360107, 379060, 392844, 491055, 568590, 654740, 720214, 982110, 1080321, 1137180, 1440428, 1800535, 1964220, 2160642, 3601070, 4321284, 5401605, 7202140, 10803210, 21606420]

約数ペア:

[(1, 21606420), (2, 10803210), (3, 7202140), (4, 5401605), (5, 4321284), (6, 3601070), (10, 2160642), (11, 1964220), (12, 1800535), (15, 1440428), (19, 1137180), (20, 1080321), (22, 982110), (30, 720214), (33, 654740), (38, 568590), (44, 491055), (55, 392844), (57, 379060), (60, 360107), (66, 327370), (76, 284295), (95, 227436), (110, 196422), (114, 189530), (132, 163685), (165, 130948), (190, 113718), (209, 103380), (220, 98211), (228, 94765), (285, 75812), (330, 65474), (380, 56859), (418, 51690), (570, 37906), (627, 34460), (660, 32737), (836, 25845), (1045, 20676), (1140, 18953), (1254, 17230), (1723, 12540), (2090, 10338), (2508, 8615), (3135, 6892), (3446, 6270), (4180, 5169)]