21918624

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 71572032

約数和(自身を除く): 49653408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 78, 84, 91, 96, 104, 112, 156, 168, 169, 182, 193, 208, 224, 273, 312, 336, 338, 364, 386, 416, 507, 546, 579, 624, 672, 676, 728, 772, 1014, 1092, 1158, 1183, 1248, 1351, 1352, 1456, 1544, 2028, 2184, 2316, 2366, 2509, 2702, 2704, 2912, 3088, 3549, 4053, 4056, 4368, 4632, 4732, 5018, 5404, 5408, 6176, 7098, 7527, 8106, 8112, 8736, 9264, 9464, 10036, 10808, 14196, 15054, 16212, 16224, 17563, 18528, 18928, 20072, 21616, 28392, 30108, 32424, 32617, 35126, 37856, 40144, 43232, 52689, 56784, 60216, 64848, 65234, 70252, 80288, 97851, 105378, 113568, 120432, 129696, 130468, 140504, 195702, 210756, 228319, 240864, 260936, 281008, 391404, 421512, 456638, 521872, 562016, 684957, 782808, 843024, 913276, 1043744, 1369914, 1565616, 1686048, 1826552, 2739828, 3131232, 3653104, 5479656, 7306208, 10959312, 21918624]

約数ペア:

[(1, 21918624), (2, 10959312), (3, 7306208), (4, 5479656), (6, 3653104), (7, 3131232), (8, 2739828), (12, 1826552), (13, 1686048), (14, 1565616), (16, 1369914), (21, 1043744), (24, 913276), (26, 843024), (28, 782808), (32, 684957), (39, 562016), (42, 521872), (48, 456638), (52, 421512), (56, 391404), (78, 281008), (84, 260936), (91, 240864), (96, 228319), (104, 210756), (112, 195702), (156, 140504), (168, 130468), (169, 129696), (182, 120432), (193, 113568), (208, 105378), (224, 97851), (273, 80288), (312, 70252), (336, 65234), (338, 64848), (364, 60216), (386, 56784), (416, 52689), (507, 43232), (546, 40144), (579, 37856), (624, 35126), (672, 32617), (676, 32424), (728, 30108), (772, 28392), (1014, 21616), (1092, 20072), (1158, 18928), (1183, 18528), (1248, 17563), (1351, 16224), (1352, 16212), (1456, 15054), (1544, 14196), (2028, 10808), (2184, 10036), (2316, 9464), (2366, 9264), (2509, 8736), (2702, 8112), (2704, 8106), (2912, 7527), (3088, 7098), (3549, 6176), (4053, 5408), (4056, 5404), (4368, 5018), (4632, 4732)]