21636160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:780

約数の個数: 112

約数和(自身を含む): 63495936

約数和(自身を除く): 41859776

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 743, 832, 910, 1040, 1120, 1456, 1486, 1820, 2080, 2240, 2912, 2972, 3640, 3715, 4160, 5201, 5824, 5944, 7280, 7430, 9659, 10402, 11888, 14560, 14860, 19318, 20804, 23776, 26005, 29120, 29720, 38636, 41608, 47552, 48295, 52010, 59440, 67613, 77272, 83216, 96590, 104020, 118880, 135226, 154544, 166432, 193180, 208040, 237760, 270452, 309088, 332864, 338065, 386360, 416080, 540904, 618176, 676130, 772720, 832160, 1081808, 1352260, 1545440, 1664320, 2163616, 2704520, 3090880, 4327232, 5409040, 10818080, 21636160]

約数ペア:

[(1, 21636160), (2, 10818080), (4, 5409040), (5, 4327232), (7, 3090880), (8, 2704520), (10, 2163616), (13, 1664320), (14, 1545440), (16, 1352260), (20, 1081808), (26, 832160), (28, 772720), (32, 676130), (35, 618176), (40, 540904), (52, 416080), (56, 386360), (64, 338065), (65, 332864), (70, 309088), (80, 270452), (91, 237760), (104, 208040), (112, 193180), (130, 166432), (140, 154544), (160, 135226), (182, 118880), (208, 104020), (224, 96590), (260, 83216), (280, 77272), (320, 67613), (364, 59440), (416, 52010), (448, 48295), (455, 47552), (520, 41608), (560, 38636), (728, 29720), (743, 29120), (832, 26005), (910, 23776), (1040, 20804), (1120, 19318), (1456, 14860), (1486, 14560), (1820, 11888), (2080, 10402), (2240, 9659), (2912, 7430), (2972, 7280), (3640, 5944), (3715, 5824), (4160, 5201)]