21593790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:575

約数の個数: 80

約数和(自身を含む): 59276448

約数和(自身を除く): 37682658

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 81, 90, 106, 135, 159, 162, 265, 270, 318, 405, 477, 503, 530, 795, 810, 954, 1006, 1431, 1509, 1590, 2385, 2515, 2862, 3018, 4293, 4527, 4770, 5030, 7155, 7545, 8586, 9054, 13581, 14310, 15090, 21465, 22635, 26659, 27162, 40743, 42930, 45270, 53318, 67905, 79977, 81486, 133295, 135810, 159954, 203715, 239931, 266590, 399885, 407430, 479862, 719793, 799770, 1199655, 1439586, 2159379, 2399310, 3598965, 4318758, 7197930, 10796895, 21593790]

約数ペア:

[(1, 21593790), (2, 10796895), (3, 7197930), (5, 4318758), (6, 3598965), (9, 2399310), (10, 2159379), (15, 1439586), (18, 1199655), (27, 799770), (30, 719793), (45, 479862), (53, 407430), (54, 399885), (81, 266590), (90, 239931), (106, 203715), (135, 159954), (159, 135810), (162, 133295), (265, 81486), (270, 79977), (318, 67905), (405, 53318), (477, 45270), (503, 42930), (530, 40743), (795, 27162), (810, 26659), (954, 22635), (1006, 21465), (1431, 15090), (1509, 14310), (1590, 13581), (2385, 9054), (2515, 8586), (2862, 7545), (3018, 7155), (4293, 5030), (4527, 4770)]