21503430560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{39727}}^1$

素因数の和:39958

約数の個数: 96

約数和(自身を含む): 54061862400

約数和(自身を除く): 32558431840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 199, 272, 340, 398, 544, 680, 796, 995, 1360, 1592, 1990, 2720, 3184, 3383, 3980, 6368, 6766, 7960, 13532, 15920, 16915, 27064, 31840, 33830, 39727, 54128, 67660, 79454, 108256, 135320, 158908, 198635, 270640, 317816, 397270, 541280, 635632, 675359, 794540, 1271264, 1350718, 1589080, 2701436, 3178160, 3376795, 5402872, 6356320, 6753590, 7905673, 10805744, 13507180, 15811346, 21611488, 27014360, 31622692, 39528365, 54028720, 63245384, 79056730, 108057440, 126490768, 134396441, 158113460, 252981536, 268792882, 316226920, 537585764, 632453840, 671982205, 1075171528, 1264907680, 1343964410, 2150343056, 2687928820, 4300686112, 5375857640, 10751715280, 21503430560]

約数ペア:

[(1, 21503430560), (2, 10751715280), (4, 5375857640), (5, 4300686112), (8, 2687928820), (10, 2150343056), (16, 1343964410), (17, 1264907680), (20, 1075171528), (32, 671982205), (34, 632453840), (40, 537585764), (68, 316226920), (80, 268792882), (85, 252981536), (136, 158113460), (160, 134396441), (170, 126490768), (199, 108057440), (272, 79056730), (340, 63245384), (398, 54028720), (544, 39528365), (680, 31622692), (796, 27014360), (995, 21611488), (1360, 15811346), (1592, 13507180), (1990, 10805744), (2720, 7905673), (3184, 6753590), (3383, 6356320), (3980, 5402872), (6368, 3376795), (6766, 3178160), (7960, 2701436), (13532, 1589080), (15920, 1350718), (16915, 1271264), (27064, 794540), (31840, 675359), (33830, 635632), (39727, 541280), (54128, 397270), (67660, 317816), (79454, 270640), (108256, 198635), (135320, 158908)]