21112488

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^1\times {\mathrm{1051}}^1$

素因数の和:1100

約数の個数: 80

約数和(自身を含む): 61100160

約数和(自身を除く): 39987672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 93, 108, 124, 162, 186, 216, 248, 279, 324, 372, 558, 648, 744, 837, 1051, 1116, 1674, 2102, 2232, 2511, 3153, 3348, 4204, 5022, 6306, 6696, 8408, 9459, 10044, 12612, 18918, 20088, 25224, 28377, 32581, 37836, 56754, 65162, 75672, 85131, 97743, 113508, 130324, 170262, 195486, 227016, 260648, 293229, 340524, 390972, 586458, 681048, 781944, 879687, 1172916, 1759374, 2345832, 2639061, 3518748, 5278122, 7037496, 10556244, 21112488]

約数ペア:

[(1, 21112488), (2, 10556244), (3, 7037496), (4, 5278122), (6, 3518748), (8, 2639061), (9, 2345832), (12, 1759374), (18, 1172916), (24, 879687), (27, 781944), (31, 681048), (36, 586458), (54, 390972), (62, 340524), (72, 293229), (81, 260648), (93, 227016), (108, 195486), (124, 170262), (162, 130324), (186, 113508), (216, 97743), (248, 85131), (279, 75672), (324, 65162), (372, 56754), (558, 37836), (648, 32581), (744, 28377), (837, 25224), (1051, 20088), (1116, 18918), (1674, 12612), (2102, 10044), (2232, 9459), (2511, 8408), (3153, 6696), (3348, 6306), (4204, 5022)]