21377916

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{12119}}^1$

素因数の和:12143

約数の個数: 54

約数和(自身を含む): 62866440

約数和(自身を除く): 41488524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 12119, 24238, 36357, 48476, 72714, 84833, 109071, 145428, 169666, 218142, 254499, 339332, 436284, 508998, 593831, 763497, 1017996, 1187662, 1526994, 1781493, 2375324, 3053988, 3562986, 5344479, 7125972, 10688958, 21377916]

約数ペア:

[(1, 21377916), (2, 10688958), (3, 7125972), (4, 5344479), (6, 3562986), (7, 3053988), (9, 2375324), (12, 1781493), (14, 1526994), (18, 1187662), (21, 1017996), (28, 763497), (36, 593831), (42, 508998), (49, 436284), (63, 339332), (84, 254499), (98, 218142), (126, 169666), (147, 145428), (196, 109071), (252, 84833), (294, 72714), (441, 48476), (588, 36357), (882, 24238), (1764, 12119)]