21376320

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3181}}^1$

素因数の和:3208

約数の個数: 112

約数和(自身を含む): 77589888

約数和(自身を除く): 56213568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3181, 3360, 6362, 6720, 9543, 12724, 15905, 19086, 22267, 25448, 31810, 38172, 44534, 47715, 50896, 63620, 66801, 76344, 89068, 95430, 101792, 111335, 127240, 133602, 152688, 178136, 190860, 203584, 222670, 254480, 267204, 305376, 334005, 356272, 381720, 445340, 508960, 534408, 610752, 668010, 712544, 763440, 890680, 1017920, 1068816, 1336020, 1425088, 1526880, 1781360, 2137632, 2672040, 3053760, 3562720, 4275264, 5344080, 7125440, 10688160, 21376320]

約数ペア:

[(1, 21376320), (2, 10688160), (3, 7125440), (4, 5344080), (5, 4275264), (6, 3562720), (7, 3053760), (8, 2672040), (10, 2137632), (12, 1781360), (14, 1526880), (15, 1425088), (16, 1336020), (20, 1068816), (21, 1017920), (24, 890680), (28, 763440), (30, 712544), (32, 668010), (35, 610752), (40, 534408), (42, 508960), (48, 445340), (56, 381720), (60, 356272), (64, 334005), (70, 305376), (80, 267204), (84, 254480), (96, 222670), (105, 203584), (112, 190860), (120, 178136), (140, 152688), (160, 133602), (168, 127240), (192, 111335), (210, 101792), (224, 95430), (240, 89068), (280, 76344), (320, 66801), (336, 63620), (420, 50896), (448, 47715), (480, 44534), (560, 38172), (672, 31810), (840, 25448), (960, 22267), (1120, 19086), (1344, 15905), (1680, 12724), (2240, 9543), (3181, 6720), (3360, 6362)]