21841680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13001}}^1$

素因数の和:13024

約数の個数: 80

約数和(自身を含む): 77387904

約数和(自身を除く): 55546224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 13001, 26002, 39003, 52004, 65005, 78006, 91007, 104008, 130010, 156012, 182014, 195015, 208016, 260020, 273021, 312024, 364028, 390030, 455035, 520040, 546042, 624048, 728056, 780060, 910070, 1040080, 1092084, 1365105, 1456112, 1560120, 1820140, 2184168, 2730210, 3120240, 3640280, 4368336, 5460420, 7280560, 10920840, 21841680]

約数ペア:

[(1, 21841680), (2, 10920840), (3, 7280560), (4, 5460420), (5, 4368336), (6, 3640280), (7, 3120240), (8, 2730210), (10, 2184168), (12, 1820140), (14, 1560120), (15, 1456112), (16, 1365105), (20, 1092084), (21, 1040080), (24, 910070), (28, 780060), (30, 728056), (35, 624048), (40, 546042), (42, 520040), (48, 455035), (56, 390030), (60, 364028), (70, 312024), (80, 273021), (84, 260020), (105, 208016), (112, 195015), (120, 182014), (140, 156012), (168, 130010), (210, 104008), (240, 91007), (280, 78006), (336, 65005), (420, 52004), (560, 39003), (840, 26002), (1680, 13001)]