21935520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{15233}}^1$

素因数の和:15254

約数の個数: 72

約数和(自身を含む): 74859876

約数和(自身を除く): 52924356

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, 15233, 30466, 45699, 60932, 76165, 91398, 121864, 137097, 152330, 182796, 228495, 243728, 274194, 304660, 365592, 456990, 487456, 548388, 609320, 685485, 731184, 913980, 1096776, 1218640, 1370970, 1462368, 1827960, 2193552, 2437280, 2741940, 3655920, 4387104, 5483880, 7311840, 10967760, 21935520]

約数ペア:

[(1, 21935520), (2, 10967760), (3, 7311840), (4, 5483880), (5, 4387104), (6, 3655920), (8, 2741940), (9, 2437280), (10, 2193552), (12, 1827960), (15, 1462368), (16, 1370970), (18, 1218640), (20, 1096776), (24, 913980), (30, 731184), (32, 685485), (36, 609320), (40, 548388), (45, 487456), (48, 456990), (60, 365592), (72, 304660), (80, 274194), (90, 243728), (96, 228495), (120, 182796), (144, 152330), (160, 137097), (180, 121864), (240, 91398), (288, 76165), (360, 60932), (480, 45699), (720, 30466), (1440, 15233)]