21876960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:425

約数の個数: 192

約数和(自身を含む): 83607552

約数和(自身を除く): 61730592

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 383, 408, 420, 476, 480, 510, 544, 560, 595, 672, 680, 714, 766, 816, 840, 952, 1020, 1120, 1149, 1190, 1360, 1428, 1532, 1632, 1680, 1785, 1904, 1915, 2040, 2298, 2380, 2681, 2720, 2856, 3064, 3360, 3570, 3808, 3830, 4080, 4596, 4760, 5362, 5712, 5745, 6128, 6511, 7140, 7660, 8043, 8160, 9192, 9520, 10724, 11424, 11490, 12256, 13022, 13405, 14280, 15320, 16086, 18384, 19040, 19533, 21448, 22980, 26044, 26810, 28560, 30640, 32172, 32555, 36768, 39066, 40215, 42896, 45577, 45960, 52088, 53620, 57120, 61280, 64344, 65110, 78132, 80430, 85792, 91154, 91920, 97665, 104176, 107240, 128688, 130220, 136731, 156264, 160860, 182308, 183840, 195330, 208352, 214480, 227885, 257376, 260440, 273462, 312528, 321720, 364616, 390660, 428960, 455770, 520880, 546924, 625056, 643440, 683655, 729232, 781320, 911540, 1041760, 1093848, 1286880, 1367310, 1458464, 1562640, 1823080, 2187696, 2734620, 3125280, 3646160, 4375392, 5469240, 7292320, 10938480, 21876960]

約数ペア:

[(1, 21876960), (2, 10938480), (3, 7292320), (4, 5469240), (5, 4375392), (6, 3646160), (7, 3125280), (8, 2734620), (10, 2187696), (12, 1823080), (14, 1562640), (15, 1458464), (16, 1367310), (17, 1286880), (20, 1093848), (21, 1041760), (24, 911540), (28, 781320), (30, 729232), (32, 683655), (34, 643440), (35, 625056), (40, 546924), (42, 520880), (48, 455770), (51, 428960), (56, 390660), (60, 364616), (68, 321720), (70, 312528), (80, 273462), (84, 260440), (85, 257376), (96, 227885), (102, 214480), (105, 208352), (112, 195330), (119, 183840), (120, 182308), (136, 160860), (140, 156264), (160, 136731), (168, 130220), (170, 128688), (204, 107240), (210, 104176), (224, 97665), (238, 91920), (240, 91154), (255, 85792), (272, 80430), (280, 78132), (336, 65110), (340, 64344), (357, 61280), (383, 57120), (408, 53620), (420, 52088), (476, 45960), (480, 45577), (510, 42896), (544, 40215), (560, 39066), (595, 36768), (672, 32555), (680, 32172), (714, 30640), (766, 28560), (816, 26810), (840, 26044), (952, 22980), (1020, 21448), (1120, 19533), (1149, 19040), (1190, 18384), (1360, 16086), (1428, 15320), (1532, 14280), (1632, 13405), (1680, 13022), (1785, 12256), (1904, 11490), (1915, 11424), (2040, 10724), (2298, 9520), (2380, 9192), (2681, 8160), (2720, 8043), (2856, 7660), (3064, 7140), (3360, 6511), (3570, 6128), (3808, 5745), (3830, 5712), (4080, 5362), (4596, 4760)]