21427470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1301}}^1$

素因数の和:1378

約数の個数: 64

約数和(自身を含む): 58121280

約数和(自身を除く): 36693810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 1098, 1301, 1647, 1830, 2602, 2745, 3294, 3903, 5490, 6505, 7806, 8235, 11709, 13010, 16470, 19515, 23418, 35127, 39030, 58545, 70254, 79361, 117090, 158722, 175635, 238083, 351270, 396805, 476166, 714249, 793610, 1190415, 1428498, 2142747, 2380830, 3571245, 4285494, 7142490, 10713735, 21427470]

約数ペア:

[(1, 21427470), (2, 10713735), (3, 7142490), (5, 4285494), (6, 3571245), (9, 2380830), (10, 2142747), (15, 1428498), (18, 1190415), (27, 793610), (30, 714249), (45, 476166), (54, 396805), (61, 351270), (90, 238083), (122, 175635), (135, 158722), (183, 117090), (270, 79361), (305, 70254), (366, 58545), (549, 39030), (610, 35127), (915, 23418), (1098, 19515), (1301, 16470), (1647, 13010), (1830, 11709), (2602, 8235), (2745, 7806), (3294, 6505), (3903, 5490)]