21160140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12161}}^1$

素因数の和:12202

約数の個数: 48

約数和(自身を含む): 61296480

約数和(自身を除く): 40136340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 12161, 24322, 36483, 48644, 60805, 72966, 121610, 145932, 182415, 243220, 352669, 364830, 705338, 729660, 1058007, 1410676, 1763345, 2116014, 3526690, 4232028, 5290035, 7053380, 10580070, 21160140]

約数ペア:

[(1, 21160140), (2, 10580070), (3, 7053380), (4, 5290035), (5, 4232028), (6, 3526690), (10, 2116014), (12, 1763345), (15, 1410676), (20, 1058007), (29, 729660), (30, 705338), (58, 364830), (60, 352669), (87, 243220), (116, 182415), (145, 145932), (174, 121610), (290, 72966), (348, 60805), (435, 48644), (580, 36483), (870, 24322), (1740, 12161)]