21816288

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5827}}^1$

素因数の和:5856

約数の個数: 72

約数和(自身を含む): 66823848

約数和(自身を除く): 45007560

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5827, 11654, 17481, 23308, 34962, 46616, 52443, 69924, 75751, 93232, 104886, 139848, 151502, 186464, 209772, 227253, 279696, 303004, 419544, 454506, 559392, 606008, 681759, 839088, 909012, 1212016, 1363518, 1678176, 1818024, 2424032, 2727036, 3636048, 5454072, 7272096, 10908144, 21816288]

約数ペア:

[(1, 21816288), (2, 10908144), (3, 7272096), (4, 5454072), (6, 3636048), (8, 2727036), (9, 2424032), (12, 1818024), (13, 1678176), (16, 1363518), (18, 1212016), (24, 909012), (26, 839088), (32, 681759), (36, 606008), (39, 559392), (48, 454506), (52, 419544), (72, 303004), (78, 279696), (96, 227253), (104, 209772), (117, 186464), (144, 151502), (156, 139848), (208, 104886), (234, 93232), (288, 75751), (312, 69924), (416, 52443), (468, 46616), (624, 34962), (936, 23308), (1248, 17481), (1872, 11654), (3744, 5827)]