21716891640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{874271}}^1$

素因数の和:874314

約数の個数: 128

約数和(自身を含む): 75537100800

約数和(自身を除く): 53820209160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 920, 1035, 1080, 1242, 1380, 1656, 2070, 2484, 2760, 3105, 4140, 4968, 6210, 8280, 12420, 24840, 874271, 1748542, 2622813, 3497084, 4371355, 5245626, 6994168, 7868439, 8742710, 10491252, 13114065, 15736878, 17485420, 20108233, 20982504, 23605317, 26228130, 31473756, 34970840, 39342195, 40216466, 47210634, 52456260, 60324699, 62947512, 78684390, 80432932, 94421268, 100541165, 104912520, 118026585, 120649398, 157368780, 160865864, 180974097, 188842536, 201082330, 236053170, 241298796, 301623495, 314737560, 361948194, 402164660, 472106340, 482597592, 542922291, 603246990, 723896388, 804329320, 904870485, 944212680, 1085844582, 1206493980, 1447792776, 1809740970, 2171689164, 2412987960, 2714611455, 3619481940, 4343378328, 5429222910, 7238963880, 10858445820, 21716891640]

約数ペア:

[(1, 21716891640), (2, 10858445820), (3, 7238963880), (4, 5429222910), (5, 4343378328), (6, 3619481940), (8, 2714611455), (9, 2412987960), (10, 2171689164), (12, 1809740970), (15, 1447792776), (18, 1206493980), (20, 1085844582), (23, 944212680), (24, 904870485), (27, 804329320), (30, 723896388), (36, 603246990), (40, 542922291), (45, 482597592), (46, 472106340), (54, 402164660), (60, 361948194), (69, 314737560), (72, 301623495), (90, 241298796), (92, 236053170), (108, 201082330), (115, 188842536), (120, 180974097), (135, 160865864), (138, 157368780), (180, 120649398), (184, 118026585), (207, 104912520), (216, 100541165), (230, 94421268), (270, 80432932), (276, 78684390), (345, 62947512), (360, 60324699), (414, 52456260), (460, 47210634), (540, 40216466), (552, 39342195), (621, 34970840), (690, 31473756), (828, 26228130), (920, 23605317), (1035, 20982504), (1080, 20108233), (1242, 17485420), (1380, 15736878), (1656, 13114065), (2070, 10491252), (2484, 8742710), (2760, 7868439), (3105, 6994168), (4140, 5245626), (4968, 4371355), (6210, 3497084), (8280, 2622813), (12420, 1748542), (24840, 874271)]