21877440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1753}}^1$

素因数の和:1786

約数の個数: 112

約数和(自身を含む): 74846688

約数和(自身を除く): 52969248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 1753, 2080, 2496, 3120, 3506, 4160, 5259, 6240, 7012, 8765, 10518, 12480, 14024, 17530, 21036, 22789, 26295, 28048, 35060, 42072, 45578, 52590, 56096, 68367, 70120, 84144, 91156, 105180, 112192, 113945, 136734, 140240, 168288, 182312, 210360, 227890, 273468, 280480, 336576, 341835, 364624, 420720, 455780, 546936, 560960, 683670, 729248, 841440, 911560, 1093872, 1367340, 1458496, 1682880, 1823120, 2187744, 2734680, 3646240, 4375488, 5469360, 7292480, 10938720, 21877440]

約数ペア:

[(1, 21877440), (2, 10938720), (3, 7292480), (4, 5469360), (5, 4375488), (6, 3646240), (8, 2734680), (10, 2187744), (12, 1823120), (13, 1682880), (15, 1458496), (16, 1367340), (20, 1093872), (24, 911560), (26, 841440), (30, 729248), (32, 683670), (39, 560960), (40, 546936), (48, 455780), (52, 420720), (60, 364624), (64, 341835), (65, 336576), (78, 280480), (80, 273468), (96, 227890), (104, 210360), (120, 182312), (130, 168288), (156, 140240), (160, 136734), (192, 113945), (195, 112192), (208, 105180), (240, 91156), (260, 84144), (312, 70120), (320, 68367), (390, 56096), (416, 52590), (480, 45578), (520, 42072), (624, 35060), (780, 28048), (832, 26295), (960, 22789), (1040, 21036), (1248, 17530), (1560, 14024), (1753, 12480), (2080, 10518), (2496, 8765), (3120, 7012), (3506, 6240), (4160, 5259)]