21952440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 76148280

約数和(自身を除く): 54195840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 211, 255, 289, 306, 340, 360, 408, 422, 510, 578, 612, 633, 680, 765, 844, 867, 1020, 1055, 1156, 1224, 1266, 1445, 1530, 1688, 1734, 1899, 2040, 2110, 2312, 2532, 2601, 2890, 3060, 3165, 3468, 3587, 3798, 4220, 4335, 5064, 5202, 5780, 6120, 6330, 6936, 7174, 7596, 8440, 8670, 9495, 10404, 10761, 11560, 12660, 13005, 14348, 15192, 17340, 17935, 18990, 20808, 21522, 25320, 26010, 28696, 32283, 34680, 35870, 37980, 43044, 52020, 53805, 60979, 64566, 71740, 75960, 86088, 104040, 107610, 121958, 129132, 143480, 161415, 182937, 215220, 243916, 258264, 304895, 322830, 365874, 430440, 487832, 548811, 609790, 645660, 731748, 914685, 1097622, 1219580, 1291320, 1463496, 1829370, 2195244, 2439160, 2744055, 3658740, 4390488, 5488110, 7317480, 10976220, 21952440]

約数ペア:

[(1, 21952440), (2, 10976220), (3, 7317480), (4, 5488110), (5, 4390488), (6, 3658740), (8, 2744055), (9, 2439160), (10, 2195244), (12, 1829370), (15, 1463496), (17, 1291320), (18, 1219580), (20, 1097622), (24, 914685), (30, 731748), (34, 645660), (36, 609790), (40, 548811), (45, 487832), (51, 430440), (60, 365874), (68, 322830), (72, 304895), (85, 258264), (90, 243916), (102, 215220), (120, 182937), (136, 161415), (153, 143480), (170, 129132), (180, 121958), (204, 107610), (211, 104040), (255, 86088), (289, 75960), (306, 71740), (340, 64566), (360, 60979), (408, 53805), (422, 52020), (510, 43044), (578, 37980), (612, 35870), (633, 34680), (680, 32283), (765, 28696), (844, 26010), (867, 25320), (1020, 21522), (1055, 20808), (1156, 18990), (1224, 17935), (1266, 17340), (1445, 15192), (1530, 14348), (1688, 13005), (1734, 12660), (1899, 11560), (2040, 10761), (2110, 10404), (2312, 9495), (2532, 8670), (2601, 8440), (2890, 7596), (3060, 7174), (3165, 6936), (3468, 6330), (3587, 6120), (3798, 5780), (4220, 5202), (4335, 5064)]