21831840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{15161}}^1$

素因数の和:15182

約数の個数: 72

約数和(自身を含む): 74506068

約数和(自身を除く): 52674228

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 15161, 30322, 45483, 60644, 75805, 90966, 121288, 136449, 151610, 181932, 227415, 242576, 272898, 303220, 363864, 454830, 485152, 545796, 606440, 682245, 727728, 909660, 1091592, 1212880, 1364490, 1455456, 1819320, 2183184, 2425760, 2728980, 3638640, 4366368, 5457960, 7277280, 10915920, 21831840]

約数ペア:

[(1, 21831840), (2, 10915920), (3, 7277280), (4, 5457960), (5, 4366368), (6, 3638640), (8, 2728980), (9, 2425760), (10, 2183184), (12, 1819320), (15, 1455456), (16, 1364490), (18, 1212880), (20, 1091592), (24, 909660), (30, 727728), (32, 682245), (36, 606440), (40, 545796), (45, 485152), (48, 454830), (60, 363864), (72, 303220), (80, 272898), (90, 242576), (96, 227415), (120, 181932), (144, 151610), (160, 136449), (180, 121288), (240, 90966), (288, 75805), (360, 60644), (480, 45483), (720, 30322), (1440, 15161)]