21291219072

素因数分解:

$2^7\times 3^2\times {\mathrm{29}}^1\times {\mathrm{637309}}^1$

素因数の和:637358

約数の個数: 96

約数和(自身を含む): 63380479500

約数和(自身を除く): 42089260428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 128, 144, 174, 192, 232, 261, 288, 348, 384, 464, 522, 576, 696, 928, 1044, 1152, 1392, 1856, 2088, 2784, 3712, 4176, 5568, 8352, 11136, 16704, 33408, 637309, 1274618, 1911927, 2549236, 3823854, 5098472, 5735781, 7647708, 10196944, 11471562, 15295416, 18481961, 20393888, 22943124, 30590832, 36963922, 40787776, 45886248, 55445883, 61181664, 73927844, 81575552, 91772496, 110891766, 122363328, 147855688, 166337649, 183544992, 221783532, 244726656, 295711376, 332675298, 367089984, 443567064, 591422752, 665350596, 734179968, 887134128, 1182845504, 1330701192, 1774268256, 2365691008, 2661402384, 3548536512, 5322804768, 7097073024, 10645609536, 21291219072]

約数ペア:

[(1, 21291219072), (2, 10645609536), (3, 7097073024), (4, 5322804768), (6, 3548536512), (8, 2661402384), (9, 2365691008), (12, 1774268256), (16, 1330701192), (18, 1182845504), (24, 887134128), (29, 734179968), (32, 665350596), (36, 591422752), (48, 443567064), (58, 367089984), (64, 332675298), (72, 295711376), (87, 244726656), (96, 221783532), (116, 183544992), (128, 166337649), (144, 147855688), (174, 122363328), (192, 110891766), (232, 91772496), (261, 81575552), (288, 73927844), (348, 61181664), (384, 55445883), (464, 45886248), (522, 40787776), (576, 36963922), (696, 30590832), (928, 22943124), (1044, 20393888), (1152, 18481961), (1392, 15295416), (1856, 11471562), (2088, 10196944), (2784, 7647708), (3712, 5735781), (4176, 5098472), (5568, 3823854), (8352, 2549236), (11136, 1911927), (16704, 1274618), (33408, 637309)]