21553557760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{1087}}^1\times {\mathrm{2213}}^1$

素因数の和:3328

約数の個数: 144

約数和(自身を含む): 59083831296

約数和(自身を除く): 37530273536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1087, 1120, 1280, 1792, 2174, 2213, 2240, 4348, 4426, 4480, 5435, 7609, 8696, 8852, 8960, 10870, 11065, 15218, 15491, 17392, 17704, 21740, 22130, 30436, 30982, 34784, 35408, 38045, 43480, 44260, 60872, 61964, 69568, 70816, 76090, 77455, 86960, 88520, 121744, 123928, 139136, 141632, 152180, 154910, 173920, 177040, 243488, 247856, 278272, 283264, 304360, 309820, 347840, 354080, 486976, 495712, 566528, 608720, 619640, 695680, 708160, 973952, 991424, 1217440, 1239280, 1391360, 1416320, 1947904, 1982848, 2405531, 2434880, 2478560, 2832640, 3965696, 4811062, 4869760, 4957120, 9622124, 9739520, 9914240, 12027655, 16838717, 19244248, 19828480, 24055310, 33677434, 38488496, 48110620, 67354868, 76976992, 84193585, 96221240, 134709736, 153953984, 168387170, 192442480, 269419472, 307907968, 336774340, 384884960, 538838944, 615815936, 673548680, 769769920, 1077677888, 1347097360, 1539539840, 2155355776, 2694194720, 3079079680, 4310711552, 5388389440, 10776778880, 21553557760]

約数ペア:

[(1, 21553557760), (2, 10776778880), (4, 5388389440), (5, 4310711552), (7, 3079079680), (8, 2694194720), (10, 2155355776), (14, 1539539840), (16, 1347097360), (20, 1077677888), (28, 769769920), (32, 673548680), (35, 615815936), (40, 538838944), (56, 384884960), (64, 336774340), (70, 307907968), (80, 269419472), (112, 192442480), (128, 168387170), (140, 153953984), (160, 134709736), (224, 96221240), (256, 84193585), (280, 76976992), (320, 67354868), (448, 48110620), (560, 38488496), (640, 33677434), (896, 24055310), (1087, 19828480), (1120, 19244248), (1280, 16838717), (1792, 12027655), (2174, 9914240), (2213, 9739520), (2240, 9622124), (4348, 4957120), (4426, 4869760), (4480, 4811062), (5435, 3965696), (7609, 2832640), (8696, 2478560), (8852, 2434880), (8960, 2405531), (10870, 1982848), (11065, 1947904), (15218, 1416320), (15491, 1391360), (17392, 1239280), (17704, 1217440), (21740, 991424), (22130, 973952), (30436, 708160), (30982, 695680), (34784, 619640), (35408, 608720), (38045, 566528), (43480, 495712), (44260, 486976), (60872, 354080), (61964, 347840), (69568, 309820), (70816, 304360), (76090, 283264), (77455, 278272), (86960, 247856), (88520, 243488), (121744, 177040), (123928, 173920), (139136, 154910), (141632, 152180)]